- T Wave Amplitude [CMO:0000277] — The magnitude of the T wave, the deflection following the QRS complex representing repolarization of the ventricles as illustrated by and electrocardiograph.
- T-cell Lymphoma Incidence/prevalence Measurement [CMO:0001909] — Any measurement in which the number of individuals in a study population that display T-cell lymphomas at a point in time or develop T-cell lymphomas within a determined period of time are compared to the total number of individuals in the study population. Often expressed as a percentage but could be expressed as a ratio. T-cell lymphoma refers to a heterogeneous group of usually malignant lymphoid neoplasms that occur as circumscribed solid tumors and that are composed of T lymphocytes. T lymphocytes are white blood cells that complete maturation in the thymus and that have various roles in the immune system, including the identification of specific foreign antigens in the body, the mediation of cellular immune responses, and the activation and deactivation of other immune cells.
- T-cell Lymphoma Onset/diagnosis Measurement [CMO:0001906] — Any measurement which expresses a quantity related to the beginning, early stages or development of a T-cell lymphoma, or to the official determination of T-cell lymphoma as the cause of the observed symptom(s). T-cell lymphoma refers to a heterogeneous group of usually malignant lymphoid neoplasms that occur as circumscribed solid tumors and that are composed of T lymphocytes. T lymphocytes are white blood cells that complete maturation in the thymus and that have various roles in the immune system, including the identification of specific foreign antigens in the body, the mediation of cellular immune responses, and the activation and deactivation of other immune cells.
- Tail Length [CMO:0000191] — The distance from the tip of the extended, flexible appendage at the rear of a vertebrate to the point of contact with the trunk or main body.
- Tail Morphological Measurement [CMO:0000190] — Any morphological measurement of the flexible appendage extending outward from the trunk or main part of the body.
- Tail Weight [CMO:0000441] — Weight of the appendage extending from the posterior end of the trunk.
- Tameness/aggressiveness Composite Score [CMO:0002136] — A calculated measurement of the level of tameness/aggression which is a composite of numerical values based on movement/posture measurements such as counts or duration of freezing, attack and escape movements, and boxing posture, and on vocalization measurements such as counts or duration of squeaking or screaming.
- TCR+ Thymocyte Count [CMO:0001845] — The number of lymphocytes expressing T cell receptor molecules on their surface in a specified sample of thymus tissue. T cell receptor is a transmembrane protein complex that recognizes antigenic peptides bound to Major Histocompatibility Complex (MHC) proteins on antigen-presenting cells as part of cell-mediated immunity. The thymus is the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Tear Morphological Measurement [CMO:0003580] — Measurement of the physical characteristics (volume, pH, chemical composition, etc.) of tears, the fluid secreted by the lacrimal glands by means of which the conjunctiva and cornea are kept moist.
- Tear Secretion Rate [CMO:0003583] — A measure of tears secreted per unit time.
- Tear Volume Measurement [CMO:0003581] — Any measurement of the size of the three dimensional space of tears, the fluid secreted by the lacrimal glands by means of which the conjunctiva and cornea are kept moist.
- Teat Length [CMO:0000447] — Distance from top of teat attached to mammary gland, breast or udder to the part of the teat farthest away.
- Teat Number [CMO:0000445] — The number of teats, protuberances on the mammary glands, breasts or udders of female mammals through which milk is excreted.
- Teat Number, Left [CMO:0000472] — Number of teats located on the left side of an animal.
- Teat Number, Right [CMO:0000473] — Number of teats located on the right side of an animal.
- Telencephalon Ribonucleic Acid Composition Measurement [CMO:0003368] —
- Temporal Lobe Ribonucleic Acid Level [CMO:0003974] — This is any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) of which the tissue of the temporal lobe of one or both cerebral hemisphere(s) is formed or composed.
- Tendon Ribonucleic Acid Level [CMO:0003973] — This is any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) found in tendon, the fibrous bands or cords of connective tissue at the ends of muscle fibers that attach muscles to bones and other structures.
- Terminal Ileum Ribonucleic Acid Composition Measurement [CMO:0003343] —
- Testis Dry Weight [CMO:0000856] — This is the weight after desiccation of one or both of the testes, the paired egg-shaped glands normally situated in the scrotum, in which the spermatozoa develop.
- Testis Lesion Measurement [CMO:0000862] — Measurement of a lesion of the testes, the male reproductive glands that produce spermatozoa and secrete androgens. A lesion is a localized pathological change in structure of an organ or tissue due to injury or disease; especially one that is circumscribed and well defined.
- Testis Non-tumorous Lesion Measurement [CMO:0000863] — Measurement of a lesion of the testes, the male reproductive glands that produce spermatozoa and secrete androgens which is not neoplastic in origin. A lesion is a localized pathological change in structure of an organ or tissue due to injury or disease; especially one that is circumscribed and well defined. Examples of non-tumorous lesions would include wounds, sores, ulcers, infarctions, etc.
- Testis Ribonucleic Acid Composition Measurement [CMO:0002801] — Any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) of which testis tissue is formed or composed.
- Testis Tumor Incidence/prevalence Measurement [CMO:0001260] — Any measurement in which the number of individuals in a study population that display testis tumors at a point in time or develop testis tumors within a determined period of time are compared to the total number of individuals in the study population. Often expressed as a percentage but could be expressed as a ratio.
- Testis Tumor Measurement [CMO:0001259] —
- Testis Tumorous Lesion Measurement [CMO:0000864] — Measurement of a lesion of the testes, the male reproductive glands that produce spermatozoa and secrete androgens, which is or has the potential to become a tumor, that is, a neoplasm or new growth of tissue in which cell multiplication is more or less uncontrolled and progressive. Tumorous lesions include tumors, preneoplastic lesions, and hyperplastic lesions composed of histologically normal cells.
- Testis Volume [CMO:0001328] — Measurement of the size of the three dimensional space occupied by one or both testes, the paired egg-shaped glands normally situated in the scrotum, in which the spermatozoa develop.
- Testis Weight [CMO:0000151] — The weight of one or both of the paired egg-shaped glands normally situated in the scrotum, in which the spermatozoa develop.
- Testis Weight to Body Weight Ratio [CMO:0000153] — A calculated measurement in which the weight of one or both testes, the paired egg-shaped glands normally situated in the scrotum, in which the spermatozoa develop, is divided by the total body weight of the organism and the result presented as a ratio, fraction, quotient or percentage thus normalizing it to body weight and, by extension, to the size of the organism.
- Testis Wet Weight [CMO:0000173] — The weight after removal from the body but without desiccation of one or both of the testicles, the paired egg-shaped glands normally situated in the scrotum, in which the spermatozoa develop.
- Thoracic Vertebrae Number [CMO:0000449] — The number of vertebrae in the spinal column within the thorax, the middle portion of the spinal column usually extending from the neck to the thoracic diaphragm, encased by the ribs.
- Throat Ribonucleic Acid Composition Measurement [CMO:0003299] —
- Thrombin Time [CMO:0000212] — The time needed for a fibrin clot to form after the addition of thrombin to citrated plasma.
- Thymocyte Count [CMO:0001843] — Measurement of the number of immature lymphocytes in the thymus. The thymus is the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Thymus Cell Count [CMO:0001841] — Any measurement of the number of cells in the thymus, the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Thymus Dry Weight [CMO:0000854] — The weight of the thymus after desiccation. The thymus is the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Thymus Measurement [CMO:0001847] — The quantification of any morphological or physiological parameter of the thymus, the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Thymus Morphological Measurement [CMO:0000609] — Measurement of the physical form or structure of the thymus, the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Thymus Ribonucleic Acid Composition Measurement [CMO:0002802] — Any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) of which the tissue of the thymus is formed or composed.
- Thymus Stromal Cell Count [CMO:0001844] — Measurement of the number of non-thymocyte cells, i.e., connective tissue cells such as cortical and medullary epithelial cells and dendritic cells, in the thymus. The thymus is the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Thymus Total Cell Count [CMO:0001842] — Measurement of the entire number of cells in the thymus without regard to the type of cell, i.e. including cells of lymphoid origin and stromal cells. The thymus is the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Thymus Weight [CMO:0000610] — The weight of the thymus, the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Thymus Weight to Body Weight Ratio [CMO:0000612] —
- Thymus Wet Weight [CMO:0000855] — The weight of the thymus after removal from the body but without desiccation. The thymus is the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes.
- Thyroid Gland Dry Weight [CMO:0002391] — The weight of the thyroid gland, that is, its heaviness or degree to which it is drawn toward the earth by gravity, after desiccation of the excised organ.
- Thyroid Gland Measurement [CMO:0002388] — The quantification of a morphological or physiological parameter of the thyroid gland. The thyroid gland is the largest of the endocrine glands, is situated in the neck caudal to the larynx, produces several hormones that are vital in maintaining normal growth and metabolism including thyroxine, triiodothyronine and calcitonin, and serves as a storehouse for iodine.
- Thyroid Gland Morphological Measurement [CMO:0002389] — Any measurement of the physical form or structure of the thyroid gland. The thyroid gland is the largest of the endocrine glands, is situated in the neck caudal to the larynx, produces several hormones that are vital in maintaining normal growth and metabolism including thyroxine, triiodothyronine and calcitonin, and serves as a storehouse for iodine.
- Thyroid Gland Ribonucleic Acid Composition Measurement [CMO:0003259] —
- Thyroid Gland Weight [CMO:0002390] — The weight of the thyroid gland, that is, its heaviness or degree to which it is drawn toward the earth by gravity.
- Thyroid Gland Wet Weight [CMO:0002392] — The weight of the thyroid gland, that is, its heaviness or degree to which it is drawn toward the earth by gravity, after removal from the body but without desiccation.
- Thyroid Gland Wet Weight to Body Weight Ratio [CMO:0003953] — This is a calculated measurement in which the wet weight of the thyroid gland, the largest of the endocrine glands, is divided by the total body weight of the organism and the result presented as a ratio, fraction, quotient or percentage thus normalizing it to body weight and, by extension, to the size of the organism.
- Tibia Area Measurement [CMO:0001382] — A measurement of the extent of a two-dimensional surface of or plane through the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus.
- Tibia Biomechanical Measurement [CMO:0001733] — Any value resulting from a quantification of the action of forces on or related to the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus. Bone biomechanical measurements are calculated values, that is, they have been normalized, adjusted or derived by a mathematical process or computation from primary physical measurements.
- Tibia Cortical Bone Volume [CMO:0001725] — Measurement of the size of the three dimensional space occupied by the portion of the tibia composed of cortical bone. The tibia is the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus. Cortical or compact bone is the relatively solid type of bone tissue found in the middle of long bones which is a hierarchical composite material consisting of a collagen-hydroxyapatite composite at the lowest level forming a complex network of cylindrical units of laminated bone at the highest level.
- Tibia Cortical Bone Volume to Tibia Total Bone Volume Ratio [CMO:0001727] — A calculated measurement in which the portion of the volume of the tibia corresponding to cortical bone is divided by the entire volume of the tibia and presented as a ratio, fraction, quotient or percentage. Volume is the measurement of the size of the three dimensional space occupied by an object. The tibia is the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus. Cortical or compact bone is the relatively solid type of bone tissue found in the middle of long bones which is a hierarchical composite material consisting of a collagen-hydroxyapatite composite at the lowest level forming a complex network of cylindrical units of laminated bone at the highest level.
- Tibia Curved Segment Length [CMO:0001732] — Measurement of the linear distance from one end to the other of the segment of the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus, that is curved, that is, that approximates a line with a gradual smooth bend.
- Tibia Length [CMO:0000450] — Measurement of the linear distance from one end to the other of the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus.
- Tibia Midshaft Cortical Cross-sectional Area [CMO:0002700] — The portion of the cross-sectional area of the tibia, measured midway between the two ends of the bone, that corresponds to the area of the cortex, the outer layer of the bone. The cross-sectional area of the tibia is a measurement of the extent of a plane through, i.e. perpendicular to the axis of, the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus.
- Tibia Midshaft Cortical Thickness [CMO:0002732] — The width of the layer of cortical (compact) bone of the diaphysis (shaft) measured midway between the two epiphyses of the shinbone.
- Tibia Midshaft Cross-sectional Area [CMO:0001717] — Measurement of all or part of the cross-sectional area of the tibia measured midway between the two ends of the bone. The tibia cross-sectional area is a measurement of the extent of a plane through, that is, perpendicular to the longest axis of the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus.
- Tibia Midshaft Endosteal Cross-sectional Area [CMO:0001716] — The portion of the cross-sectional area of the tibia, measured midway between the two ends of the bone, that corresponds to the area circumscribed by the endosteum, the tissue lining the medullary or marrow cavity in the shaft of a long bone, i.e. the cross-sectional area of the medullary cavity of the tibia at midshaft. The cross-sectional area of the tibia is the extent of a plane through, that is, perpendicular to the longest axis of the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus.
- Tibia Midshaft Morphological Measurement [CMO:0002731] — Any measurement of the physical form or structure of the section of the tibia located midway between the two epiphyses (that is, the ends) of the bone.
- Tibia Midshaft Total Cross-sectional Area [CMO:0001715] — Measurement of the entire cross-sectional area of the tibia, that is, the extent of a plane perpendicular to the longest axis of the tibia and bounded by the periosteum, the thick fibrous membrane covering the entire surface of a bone except its articular cartilage and serving as an attachment for muscles and tendons. The tibia is the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus.
- Tibia Midshaft Width [CMO:0000453] — Distance across the tibia, the major bone of the lower portion of the hindlimb, taken midway between the two ends of the bone.
- Tibia Morphological Measurement [CMO:0001378] — Any measurement of the physical form or structure of the tibia, the major bone in the lower part of the hindlimb, which articulates with the femur, fibula, and talus.
- Tibia Stiffness [CMO:0001735] — A calculated measurement of the rigidity of the tibia, that is, the extent to which it resists deformation in response to an applied force, taken as the initial, i.e. the maximum, slope of the load-displacement curve. Tibia is the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus. Bone is the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts.
- Tibia Straight Segment Length [CMO:0001731] — Measurement of the linear distance from one end to the other of the segment of the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus, that is straight, that is, that approximates a line representing the shortest path between its two end points.
- Tibia Total Bone Volume [CMO:0001724] — Measurement of the size of the three dimensional space occupied by the entire tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus, including the diaphysis composed of cortical bone and two epiphyses composed of trabecular bone.
- Tibia Total Energy Absorbed Before Break [CMO:0001736] — A calculated measurement of the maximum amount of energy the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus, can absorb under stress before it breaks, derived as the area under the stress-strain or load-displacement curve at the point of failure. Bone is the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts.
- Tibia Trabecular Bone Volume [CMO:0002701] — Measurement of the size of the three dimensional space occupied by the portion of a tibia composed of trabecular bone. The tibia is the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus. Trabecular or spongy bone is the porous type of bone found in the vertebrae and at all articulating joints, consisting of an irregular three-dimensional array of boney rods and plates (trabeculae) which themselves are composed of a composite material with bone marrow filling the spaces of the pores.
- Tibia Ultimate Force [CMO:0001734] — A calculated measurement of the force necessary to fracture the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus, under specified conditions and thus a measure of the biomechanical strength of that bone. Bone is the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts.
- Tibia Volume Measurement [CMO:0001723] — Any measurement of the size of the three dimensional space occupied by all or part of the tibia, the medial and larger of the two bones of the lower leg of bipeds or hindlimb of quadrupeds which articulates with the femur, fibula, and talus.
- Tibia Weight [CMO:0000451] — The weight of the tibia, the major bone of the lower portion of the hindlimb, which articulates with the femur, fibula, and talus.
- Tibia-fibula Cortical Bone Endosteal Cross-sectional Area [CMO:0001722] — The portion of the cross-sectional area of the tibia-fibula cortical bone that corresponds to the area circumscribed by the endosteum, the tissue lining the medullary or marrow cavity in the shaft of a long bone, i.e. the cross-sectional area of the medullary cavity of the tibia-fibula cortical bone. The cross-sectional area is the extent of a plane through, that is, perpendicular to the longest axis of the tibia-fibula, the portion of the two bones (tibia, the medial and larger bone, and fibula, the lateral and smaller bone) of the lower leg of bipeds or hindlimb of quadrupeds which are fused to form a single bone, e.g. the distal third of the rodent tibia and fibula. Cortical or compact bone is the relatively solid type of bone tissue found in the middle of long bones which is a hierarchical composite material consisting of a collagen-hydroxyapatite composite at the lowest level forming a complex network of cylindrical units of laminated bone at the highest level.
- Tibia-fibula Cortical Bone Total Cross-sectional Area [CMO:0001721] — Measurement of the entire cross-sectional area of the tibia-fibula cortical bone, that is, the extent of a plane perpendicular to the longest axis of the tibia-fibula cortical bone and bounded by the periosteum, the thick fibrous membrane covering the entire surface of a bone except its articular cartilage and serving as an attachment for muscles and tendons. The tibia-fibula is the portion of the two bones (tibia, the medial and larger bone, and fibula, the lateral and smaller bone) of the lower leg of bipeds or hindlimb of quadrupeds which are fused to form a single bone, e.g. the distal third of the rodent tibia and fibula. Cortical or compact bone is the relatively solid type of bone tissue found in the middle of long bones which is a hierarchical composite material consisting of a ollagen-hydroxyapatite composite at the lowest level forming a complex network of cylindrical units of laminated bone at the highest level.
- Tibia-fibula Cross-sectional Area [CMO:0001718] — Measurement of all or part of the cross-sectional area of the tibia-fibula, the portion of the two bones of the lower leg of bipeds or hindlimb of quadrupeds (tibia, the medial and larger bone, and fibula, the lateral and smaller bone) which are fused to form a single bone, e.g. the distal third of the rodent tibia and fibula. The tibia-fibula cross-sectional area is a measurement of the extent of a plane through, that is, perpendicular to the longest axis of the bone.
- Tibialis Anterior Muscle Weight [CMO:0002964] — The weight or the measure of the heaviness of tibialis anterior muscle, which is a muscle that originates in the upper two-thirds of the lateral surface of the tibia and inserts into the medial cuneiform and first metatarsal bones of the foot. Its acts to invert the foot. It is situated on the lateral side of the tibia; it is thick and fleshy above, tendinous below. This muscle overlaps the anterior tibial vessels and deep peroneal nerve in the upper part of the leg.
- Tibialis Anterior Muscle Weight to Body Weight Ratio [CMO:0002966] —
- Tidal Volume [CMO:0000222] — Volume of gas inhaled and exhaled during one respiratory cycle.
- Tilted Plane Angle at Loss of Balance/traction [CMO:0002294] — The angle of inclination, i.e., the degree of divergence from the horizontal, of a surface at the point when a subject sitting or standing on that surface can no longer maintain its balance or remain in a stable position.
- Time Constant of Left Ventricular Pressure Decay [CMO:0001747] — A calculated hemodynamic value related to the ability of the heart left ventricle to relax. Tau is calculated as an exponential function of the change in intraventricular pressure during the diastolic isovolumic left ventricular pressure decrease.
- Time from Start of Drug Therapy to Immunocytoma Regrowth [CMO:0003589] — The length of time elapsed between the beginning of drug therapy and the regrowth of immunocytoma(s).
- Time from Therapy-induced Maximal Immunocytoma Size Decrease to Regrowth of Tumor to A Diameter of 10 Mm [CMO:0003590] — The elapsed time between the maximal therapy-induced tumor size reduction to regrowth of the tumor to a diameter of ten millimeters.
- Time Interval Between Offspring [CMO:0000394] —
- Time Spent Running on Treadmill [CMO:0002305] — Any measurement of the amount of time a subject spends running on a treadmill, a piece of equipment consisting of a continuously moving belt which allows the action of walking or running without the entire body moving forward.
- Time to First Grooming Within An Experimental Apparatus [CMO:0003789] — A measurement of the latency period spent by an organism or experimental subject in the initial occupied space before starting any activity of self-cleaning or cleaning another subject.
- Time to First Head Dip Within An Experimental Apparatus [CMO:0003795] — A measurement of the latency period spent by an subject in the initial occupied space before starting any intentional downward motion of the head.
- Time to First Movement in An Experimental Apparatus [CMO:0001754] — The amount of time between putting an experimental subject in a piece of technical equipment or machinery, an appliance, or a device designed for a particular purpose, and the point of first voluntary locomotion of the subject.
- Time to First Movement Outside A Discrete Space in An Experimental Apparatus [CMO:0001037] — The latency period spent by an organism or experimental subject in the initial occupied space before moving to a different space in an experimental apparatus.
- Time to First Rearing Within An Experimental Apparatus [CMO:0003791] — A measurement of the latency period spent by an organism or experimental subject in the initial occupied space before a quadrupedal subject begins rising up on its back legs.
- Time to First Stretched-attend Posture Movement Within An Experimental Apparatus [CMO:0003805] — A measurement of the latency period spent by an subject in the initial occupied space of an experimental apparatus before starting any stretched-attend posture movement.
- Time to Locate A Hidden Target Platform in An Experimental Apparatus [CMO:0002736] — Measurement of the amount of time spent by an experimental subject in an experimental apparatus searching for and/or determining the position of a, possibly raised, horizontal surface within the apparatus which cannot be seen during the search.
- Time to Locate A Target in An Experimental Apparatus [CMO:0002733] — Measurement of the amount of time spent by an experimental subject in an experimental apparatus searching for and/or determining the position of a desired goal or reward.
- Time to Locate A Target Platform in An Experimental Apparatus [CMO:0002734] — Measurement of the amount of time spent by an experimental subject in an experimental apparatus searching for and/or determining the position of a, possibly raised, horizontal surface within the apparatus.
- Time to Locate A Visible Target Platform in An Experimental Apparatus [CMO:0002735] — Measurement of the amount of time spent by an experimental subject in an experimental apparatus searching for and/or determining the position of a, possibly raised, horizontal surface within the apparatus which can be seen during the search.
- Time to Onset of Heart Contraction [CMO:0000663] — Measure of the time from the relaxation of the heart muscle to the beginning of the tightening of the heart muscle during contraction.
- Time to Peak Anorectal Sphincter Contraction [CMO:0003765] — Measurement of the time from the beginning of anorectal sphincter contraction to the maximum achieved pressure.
- Time to Peak Heart Contraction [CMO:0000664] — Measurement of the time from the beginning of heart muscle contraction to the maximum contracted state.
- Time to Peak Measurement of Gd-DTPA Uptake By Kidney Cortex [CMO:0003440] — Measurement of the the time elapsed between intravenous injection of Gd-DTPA (gadopentetate dimeglumine) and highest concentration of Gd-DTPA in the kidney cortex.
- Timed Heart Effluent Volume [CMO:0000673] — The volume of a fluid flowing out of the heart during a specified amount of time.
- Timed Urine Mass [CMO:0003949] — This is any measurement of the mass of urine voided over a specified period of time.
- Timed Urine Volume [CMO:0000260] — The amount of urine voided over a specified period of time.
- Timed Urine Volume to Body Weight Ratio [CMO:0001968] — A calculated measurement in which the volume of urine voided during a specified period of time is divided by the total weight or heaviness of the body, and presented as a ratio, fraction, quotient or percentage thus normalizing it to body weight and, by extension, to the size of the organism.
- Tissue Cellular Composition Measurement [CMO:0002728] — Any quantitation of the cells or cell types which constitute the make-up of a tissue or a set of tissues.
- Tissue Composition Measurement [CMO:0000107] — A measurement that indicates the compositional nature of a tissue or set of tissues.
- Tissue Deoxyribonucleic Acid Composition Measurement [CMO:0003887] — This is any measurement of the absolute or relative amount(s) of one or more of the deoxyribonucleic acids (DNAs) found in a specified tissue.
- Tissue Hormone Composition Measurement [CMO:0002583] — Any measurement involving the composition, that is, the absolute amount, relative amount or type of one or more hormones in a specified tissue or set of tissues. A hormone is any complex chemical substance produced in one part or organ of the body that initiates or regulates the activity of an organ or a group of cells in another part of the body.
- Tissue Mitochondrial DNA to Nuclear DNA Ratio [CMO:0003889] — This is a calculated measurement in which the amount of mitochondrial DNA in a specified sample of tissue is divided by the amount of nuclear DNA in the same sample and presented as a ratio, fraction, quotient or percentage, thus normalizing it to nuclear DNA level.
- Tissue Molecular Composition Measurement [CMO:0002067] — Any quantitation of the molecules, atoms and/or ions which constitute the chemical make-up of a specified tissue or set of tissues.
- Tissue Peptide Hormone Composition Measurement [CMO:0002584] — Any measurement involving the composition, that is, the absolute amount, relative amount or type of one or more hormones in a specified tissue or set of tissues. A peptide hormone is a molecular chain compound composed of two or more amino acids joined by peptide bonds that is produced in one part or organ of the body and initiates or regulates the activity of an organ or a group of cells in another part of the body.
- Tissue Protein/peptide Composition Measurement [CMO:0002577] — Any measurement involving the composition, that is, the absolute amount, relative amount or type of one or more proteins (complex high molecular weight organic compounds containing carbon, hydrogen, oxygen, nitrogen, and sulfur consisting of alpha-amino acids joined by peptide linkages) or peptides (low molecular weight compounds composed of at least two amino acids joined by peptide linkages) in a specified tissue or set of tissues.
- Tissue Ribonucleic Acid Level [CMO:0002793] — This is any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) found in a specified tissue.
- Tongue Lesion Measurement [CMO:0002321] — Measurement of a lesion in the tongue. A lesion is a localized pathological change in structure of an organ or tissue due to injury or disease; especially but not exclusively one that is circumscribed and well defined.
- Tongue Measurement [CMO:0002320] — Any value resulting from the quantification of a morphological or physiological parameter of the tongue, the movable muscular organ on the floor of the mouth whigh is the chief organ of taste, and aids in mastication, swallowing, and speech.
- Tongue Non-tumorous Lesion Measurement [CMO:0002323] — Measurement of a lesion of the tongue which is not neoplastic in origin. A lesion is a localized pathological change in structure of an organ or tissue due to injury or disease; especially but not exclusively one that is circumscribed and well defined. Examples of non-tumorous lesions would include wounds, sores, ulcers, infarctions, etc.
- Tongue Ribonucleic Acid Level [CMO:0003339] —
- Tongue Tumor Diameter [CMO:0002325] — The distance between two specified opposite points on the periphery of a tumor found on or in the tongue. A tumor is an abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function.
- Tongue Tumor Measurement [CMO:0002324] — Measurement of one or more tumors of the tongue. A tumor is an abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function.
- Tongue Tumor Number [CMO:0002326] — A value or quantity determined by count of tunors in a specified sample of tongue. A tumor is an abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function.
- Tongue Tumorous Lesion Measurement [CMO:0002322] — Measurement of a lesion of the tongue which is or has the potential to become a tumor, that is, a neoplasm or new growth of tissue in which cell multiplication is more or less uncontrolled and progressive. Tumorous lesions include tumors, preneoplastic lesions, and hyperplastic lesions composed of histologically normal cells.
- Tonsil Ribonucleic Acid Composition Measurement [CMO:0003258] —
- Total Abdominal Fat Area [CMO:0000243] — Total area of adipose tissue in the abdominal area including subcutaneous and visceral adipose tissue.
- Total Accumulated Time of Physical Contact or Close Proximity Between Test Subject and Social Stimulus Per Unit Time [CMO:0002677] — The aggregate amount of time within a specified period during which a test subject touches or voluntarily moves or remains close to (for example within one centimeter of) a social stimulus such as another animal of the same species.
- Total Amount of Experiment Time Spent in An Enclosed Arm of An Elevated Plus Maze [CMO:0004012] — The cumulative amount of time during an experiment that an organism or experimental subject spends in either of the two arms of an elevated plus maze that are enclosed by opaque walls to prevent the experimental subject from escaping and from seeing anything outside the maze.
- Total Amount of Experiment Time Spent in An Open Arm of An Elevated Plus Maze [CMO:0004014] — The cumulative amount of time during an experiment that an organism or experimental subject spends specifically in either of the two arms of the maze that do not have walls to prevent the experimental subject from seeing anything outside the maze.
- Total Amount of Experiment Time Spent in Any Open Area of An Elevated Plus Maze [CMO:0004013] — The cumulative amount of time during an experiment that an organism or experimental subject spends in any of the unenclosed areas of an elevated plus maze including the open center of the maze and/or the open arms of the maze.
- Total Area Occupied By Pancreatic Islets [CMO:0001056] — A measurement of the total area occupied by pancreatic islets in a cross-section of the pancreas. The pancreatic islets are the irregular microscopic structures scattered throughout the pancreas and comprising its endocrine portion.
- Total Arteriolar Resistance [CMO:0002974] —
- Total Body Fat Mass [CMO:0000305] —
- Total Body Fat Mass to Total Body Mass Ratio [CMO:0003945] — This is a calculated value in which the total fat mass of an organism is divided by the total mass of an organism and presented as a ratio, fraction, quotient or percentage, thus normalizing fat mass to the total mass of the body.
- Total Body Fat Volume [CMO:0002181] — Measurement of the size of the entire three dimensional space occupied by fat in the body of an organism.
- Total Body Fat-free Mass [CMO:0003944] — This is a measurement that determines whole body lean tissue mass of an organism by subtracting whole body fat mass from total body mass.
- Total Body Fat-free Mass to Total Body Mass Ratio [CMO:0003946] — This is a calculated value in which the total lean mass of an organism is divided by the total mass of an organism and presented as a ratio, fraction, quotient or percentage, thus normalizing lean mass to the total mass of the body. Whole body lean tissue mass of an organism is determined by subtracting whole body fat mass from total body mass.
- Total Body Lean Mass [CMO:0003950] — This is a measurement of the total mass of the lean tissue of an organism. This measurement can be done by (TD-NMR) time-domain nuclear magnetic resonance for laboratory animals, or estimated by calculation using height and weight for human subjects.
- Total Body Lean Mass to Total Body Mass Ratio [CMO:0003952] — This is a calculated value in which the total lean mass of an organism is divided by the total mass of an organism and presented as a ratio, fraction, quotient or percentage, thus normalizing lean mass to the total mass of the body. Whole body lean tissue mass of an organism is determined by TD-NMR (time-domain nuclear magnetic resonance) or a formula using height and weight of subject.
- Total Body Water Mass [CMO:0003942] — This measurement is a calculated/estimated value of the relative mass of total fluid in an organism. The two main fluid compartments are divided by the cell membrane into the extracellular fluid (ECF) and the intracellular fluid (ICF).
- Total Body Water Mass to Total Body Mass Ratio [CMO:0003947] — This is a calculated value in which the total water mass of an organism is divided by the total mass of an organism and presented as a ratio, fraction, quotient or percentage, thus normalizing water mass to the total mass of the body. Total body water mass of an organism is a calculated/estimated value of the relative mass of total fluid in an organism.
- Total Bone Mineral Density [CMO:0003891] — This is a calculated measurement in which the sum of the bone mineral density in all of the bones measured is divided by the total number of bones or types of bones measured. This measurement represents an average bone mineral density across different bones.
- Total Caloric Absorption [CMO:0003936] — This is a measurement of total calories consumed minus total calories lost through defecation during a specific time period. Total caloric absorption = [Total calories consumed ] - [Total caloric loss through feces]
- Total Calorie Intake Level [CMO:0002651] — The entire number of calories, i.e. the total amount of energy, consumed by an organism, regardless of source.
- Total Calorie Intake Rate [CMO:0002253] — The entire number of calories consumed by an organism per unit time, regardless of source.
- Total Drink Calorie Intake [CMO:0002252] — The total, full or entire number of drink-derived calories consumed by an organism.
- Total Filtering Surface Area Per Glomerulus [CMO:0003710] — This is a calculated value estimated from the average total glomerular filtering surface area of the peripheral capillary wall per glomerulus. It is based on the proportion of the peripheral capillary basement membrane in contact with epithelial podocytes, as determined by microscopic measurements.
- Total Food Calorie Intake Level [CMO:0002208] — Measurement of the entire number of calories (usually large calories, kilogram calories, dietary calories, or nutritional calories) consumed as food by an organism. A large calorie is the amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius, a measure of the energy which an organism can derive by metabolizing the food.
- Total Food Calorie Intake Rate [CMO:0002178] — The entire number of calories (usually large calories, kilogram calories, dietary calories, or nutritional calories) consumed as food by an organism per period of time, i.e., the calorie intake rate from all food sources.
- Total Food Intake Volume [CMO:0002221] — Any measurement of the size of the three dimensional space occupied by the entire amount of food consumed by an organism.
- Total Food Intake Weight [CMO:0002215] — Measurement of the entire weight of food consumed by an organism, i.e. the heaviness of the food or degree to which that amount of food is drawn toward the earth by gravity.
- Total Heart Ventricle Weight [CMO:0001316] — The combined weight of both ventricles of the heart, that is, their heaviness or the degree to which they are drawn toward the earth by gravity. The ventricles are the lower chambers of the heart that pump blood away from the heart either to the lungs to be oxygenated or, once oxygenated, to the rest of the body.
- Total Heart Ventricle Weight as A Percentage of Body Weight [CMO:0001318] — A calculated value in which the combined weight of both the left and right ventricles, the lower chambers of the heart that pump blood away from the heart either to the lungs to be oxygenated or, once oxygenated, to the rest of the body, is presented as percentage of the total weight of the body thus normalizing it to body weight.
- Total Horizontal Distance Covered Resulting from Voluntary Locomotion in Proximity to the Target in An Experimental Apparatus [CMO:0002675] — The sum of the lengths of the lines representing all voluntary movements of an experimental subject within a flat plane parallel to the ground in an apparatus made while attempting to locate a specific target such as a food reward or a submerged platform.
- Total Horizontal Distance Resulting from Voluntary Locomotion in An Experimental Apparatus [CMO:0001443] — Measurement of the linear equivalent of the extent of forward progress attained via the movement of an individual along a plane parallel to the plane of the horizon in a piece of technical equipment or machinery, or in an appliance or device designed for a particular purpose originated, undertaken, controlled, or accomplished as a result of free will or choice.
- Total Horizontal Distance Resulting from Voluntary Locomotion in Pursuit of A Target in An Experimental Apparatus [CMO:0003839] — Measurement of the linear equivalent of the extent of forward progress attained via the movement of an individual along a plane parallel to the plane of the horizon in pursuit of a target in a piece of technical equipment or machinery, or in an appliance or device designed for a particular purpose originated, undertaken, controlled, or accomplished as a result of free will or choice.
- Total Kidney Protein to Kidney Weight Ratio [CMO:0003850] — A calculated value in which the total amount of protein in a kidney is divided by the total weight of the body and presented as a ratio thus normalizing it to body weight.
- Total Lung Capacity [CMO:0000380] — Total volume to which lungs can be expanded with greatest inspiratory effort.
- Total Muscle Weight [CMO:0000448] — Aggregated weight of all muscle tissue from a single individual.
- Total Number of Bacterial Colony Forming Units Recovered [CMO:0002657] — The enumeration, i.e. measurement of the total number, of bacterial colony forming units (CFUs) in a specified sample of fluid removed from and/or solution used to wash the interior of a cavity in a body or an organ. A bacterial CFU is an individual bacterium which is able to clonally propagate itself into an entire colony of identical cells.
- Total Number of Entries Into the Arms of An Elevated Plus Maze [CMO:0004008] — The count of movements of an experimental subject into any arm of an elevated plus maze, including entries into both open and enclosed arms.
- Total Number of Ova Per Superovulation/artificial Insemination Event [CMO:0002528] — A count of the total number of female gametes, regardless of final status or quality, produced in a donor female during a single round of superovulation and artificial insemination.
- Total Pericapillary Slit Length [CMO:0003712] — This is a calculated value estimated from the glomerular filtering surface area of the peripheral capillary wall and the epithelial filtration slit frequency. The measurements for the calculations are from computerized analysis of electron micrographs.
- Total Plasma Calcium Level [CMO:0000378] — The amount of calcium ions and protein bound calcium in a specified volume of plasma.
- Total Reticulocyte Count [CMO:0003020] —
- Total Skeletal Weight [CMO:0000461] — Aggregated weight of all the bones making up the skeleton or hard framework of an individual organism's body.
- Total Surface Area of Liver Occupied By Tumorous Lesions [CMO:0001761] — A measurement of the total extent of the two-dimensional surface of the liver occupied by tumorous lesions, i.e., the sum of all measured areas on the outer, superficial or external aspect of an individual liver occupied by tumorous lesions. A tumorous lesion is one which is or has the potential to become a tumor, that is, a neoplasm or new growth of tissue in which cell multiplication is more or less uncontrolled and progressive. Tumorous lesions include tumors and preneoplastic lesions, as well as hyperplastic lesions composed of histologically normal cells.
- Total Volumetric Bone Mineral Density [CMO:0001728] — Measurement of the mineral mass per unit volume of an entire bone, the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts, including any and all relevant subdivisions of that bone.
- Total Weight of Live Neonates Per Litter [CMO:0002523] — The combined weight of all viable offspring in a litter, that is, the products of one gestation produced at one birth by a multiparous mammal, at the time of or shortly after birth.
- Total Weight of Neonates Per Litter [CMO:0002522] — The combined weight of all offspring in a litter, that is, the products of one gestation produced at one birth by a multiparous mammal, at the time of or shortly after birth.
- Total White Blood Cell Count [CMO:0000365] — The total number of leukocytes in a designated volume of blood.
- Toxoplasma Gondii Infection Incidence/prevalence Measurement [CMO:0002027] — Any measurement in which the number of individuals in a study population that display an infection with the parasite Toxoplasma gondii at a point in time or develop an infection with the parasite Toxoplasma gondii within a determined period of time are compared to the total number of individuals in the study population. Often expressed as a percentage but could be expressed as a ratio. Toxoplasma gondii is a sporozoan species that is an intracellular parasite in a variety of vertebrates and is the causative agent of toxoplasmosis.
- Trabecular Volumetric Bone Mineral Density [CMO:0001729] — Measurement of the mineral mass per unit volume of trabecular bone. Bone is the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts. Trabecular or spongy bone is the porous type of bone found in the vertebrae and at all articulating joints, consisting of an irregular three-dimensional array of boney rods and plates (trabeculae) which themselves are composed of a composite material with bone marrow filling the spaces of the pores.
- Trachea Cartilage Area [CMO:0003150] — The measurement of total cartilage area in the tracheal ring.
- Trachea Cartilage Area to Trachea Lumen Circumference Ratio [CMO:0003151] —
- Trachea Epithelial Layer Thickness [CMO:0003154] — measurement of the distance between the basement membrane (on the serosal surface) and the apical membrane lumenally
- Trachea Lumen Circumference [CMO:0003149] — the measurement of the the enclosing boundary of the trachea lined by the apical surface of epithelium
- Trachea Morphological Measurement [CMO:0003148] —
- Trachea Ribonucleic Acid Composition Measurement [CMO:0003312] —
- Trachea Submucosal Gland Area [CMO:0003155] — Submucosal gland area determined by measuring the total area of both serous and mucus components of the gland structures via histology
- Trachea Submucosal Gland Area to Trachea Lumenal Circumference Ratio [CMO:0003156] —
- Trachea Submucosal Gland Intracellular Mucus Area [CMO:0003157] — This is determined by histological measurement of the intracellular mucus area in the submucosal gland of the trachea.
- Trachea Submucosal Gland Intracellular Mucus Area to Total Trachea Submucosal Gland Area Ratio [CMO:0003158] — A calculated value in which the cross sectional area of the submucosal gland taken up by mucus is divided by the total cross-sectional area of the submucosal gland, and the result presented as a ratio, fraction, quotient or percentage, thus normalizing it to trachea submucosal gland area.
- Trichinosis Severity Measurement [CMO:0002021] — Any measurement of the degree to which the presentation of the trichinosis disease state, i.e. infection with nematode worms of the Trichinella genus (including Trichinella spiralis, the traditional etiological agent), has caused pain or damage, or of the degree to which the parasite has established lesions or infectious colonies, and/or taken over or interfered with the normal functioning of the body as a whole, or of one or more organs, tissues, cells or subcellular mechanisms of an organism.
- Tricuspid Valve Ribonucleic Acid Composition Measurement [CMO:0003329] —
- Trigeminal Ganglion Ribonucleic Acid Level [CMO:0003969] — This is any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) of which the tissue of the trigeminal ganglion is composed.
- Trigeminal Nerve Neurilemmoma Incidence/prevalence Measurement [CMO:0002015] — Any measurement in which the number of individuals in a study population that display trigeminal nerve neurilemmoma at a point in time or develop trigeminal nerve neurilemmoma within a determined period of time are compared to the total number of individuals in the study population. Often expressed as a percentage but could be expressed as a ratio. A trigeminal nerve neurilemmoma is a tumor originating in the myelin sheath of the trigeminal nerve, either of the fifth pair of cranial nerves which function as the chief sensory nerves of the face and the motor nerves of the muscles of mastication.
- Tumor Incidence/prevalence Measurement [CMO:0000927] — A measurement in which the number of individuals in a study population displaying at a point in time one or more tumors--that is, abnormal growth(s) of tissue resulting from uncontrolled, progressive multiplication of cells which serve no physiological function-- of a particular organ or developing such growths within a determined period of time, are compared to the total number of individuals in the study population. Often expressed as a percentage but could be expressed as a ratio.
- Tumor Measurement [CMO:0000341] — Measurement of an abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function.
- TUNEL-positive Cell Number to Total Cell Number Ratio [CMO:0001098] — A calculated measurement in which the number of cells in a specified sample that stain positively in the terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay (i.e. in which the DNA is fragmented and therefore is labeled by the terminal transferase, a marker of apoptosis) is divided by the total number of cells in the sample, and presented as a ratio, fraction, quotient or percentage.
- Tympanic Cavity Epithelium Thickness [CMO:0002670] — Quantification of the thickness, that is the distance from the junction with the underlying bone/tissue to the surface of the membrane, of the layer of epithelial cells lining the tympanic cavity.
Data returned: 187 terms all with first letter "T".
Data updated: Sep 01, 2024