- Vagina Ribonucleic Acid Level [CMO:0003322] —
- Vas Deferens Ribonucleic Acid Composition Measurement [CMO:0003311] —
- Vascular Endothelial Cell Measurement [CMO:0000705] —
- Vasoconstrictor-induced Blood Vessel Contractile Force Expressed as Percent of Force at Baseline [CMO:0002458] — A calculated measurement in which the difference between the contractile force of a blood vessel in response to a vasoconstrictor and the baseline contractile force exerted by that vessel in the absence of any external stimuli, is divided by the baseline contractile force measurement and the result expressed as a percentage. A vasoconstrictor is any agent or condition that narrows blood vessels by constricting the smooth muscle in the vessel walls.
- Velocity of Circumferential Fiber Shortening [CMO:0000994] — The extent of shortening of the minor internal circumference (at the midpoint of the long axis) between end-diastole and end-systole, divided by the time required for shortening.
- Vena Cava Molecular Composition Measurement [CMO:0003979] — This is any quantitation of the molecules, atoms and/or ions which constitute the chemical make-up of the largest veins (superior vena cava and inferior vena cava in mammals) which deliver de-oxygenated blood from throughout the body back to the right cardiac atrium.
- Vena Cava Morphological Measurement [CMO:0003978] — This is any quantification of the physical form or structure of the largest veins (superior vena cava and inferior vena cava in mammals) which deliver de-oxygenated blood from throughout the body back to the right cardiac atrium.
- Vena Cava Ribonucleic Acid Level [CMO:0003980] — This is any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) found in the largest veins (superior vena cava and inferior vena cava in mammals) which deliver de-oxygenated blood from throughout the body back to the right cardiac atrium.
- Venous Blood Flow Rate [CMO:0000199] — The volume of blood passing through a vein per unit time.
- Venous Blood Ribonucleic Acid Composition Measurement [CMO:0003374] —
- Ventilation Measurement [CMO:0000114] — This is any measurable or observable characteristic related to the total volume of gas inspired or expired. Ventilation rate is expressed as the volume of gas entering or leaving the lungs in a given amount of time and can be calculated by multiplying the volume of gas, either inhaled or exhaled, during a breath (the tidal volume) by the breathing rate.
- Ventral Prostate Gland Dry Weight [CMO:0000851] — The weight of the ventral lobe of the prostate gland after desiccation. The prostate is the gland surrounding the male urethra just below the base of the bladder which secretes a fluid that constitutes a major portion of the semen.
- Ventral Prostate Gland Weight [CMO:0000849] — The weight of the ventral lobe of the prostate gland. The prostate is the gland surrounding the male urethra just below the base of the bladder which secretes a fluid that constitutes a major portion of the semen.
- Ventral Prostate Gland Wet Weight [CMO:0000850] — The weight of the ventral lobe of the prostate gland after removal from the body but without desiccation. The prostate is the gland surrounding the male urethra just below the base of the bladder which secretes a fluid that constitutes a major portion of the semen.
- Ventral Prostate Tumorous Lesion Area Measurement [CMO:0000895] — Any measurement of the area of an individual tumorous lesion in the ventral lobe of the prostate, or of the area of the ventral lobe of the prostate 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, preneoplastic lesions, and hyperplastic lesions composed of histologically normal cells.
- Ventral Prostate Tumorous Lesion Measurement [CMO:0000891] — Measurement of one or more tumorous lesion(s) of the ventral lobe of the prostate. 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, preneoplastic lesions, and hyperplastic lesions composed of histologically normal cells.
- Ventral Prostate Tumorous Lesion Number [CMO:0000892] — The number of tumorous lesions in the ventral lobe of the prostate gland. 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, preneoplastic lesions, and hyperplastic lesions composed of histologically normal cells.
- Ventral Prostate Tumorous Lesion Size Measurement [CMO:0000894] — Any measurement of the size of an individual tumorous lesion in the ventral lobe of the prostate, or of the amount of the ventral lobe of the prostate 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, preneoplastic lesions, and hyperplastic lesions composed of histologically normal cells.
- Ventricle Contraction Measurement [CMO:0000981] — Any measurement of components of the periodic tightening and loosening of the muscles of a ventricle of the heart.
- Ventricle Stroke Work [CMO:0002886] — Defined as the work performed by the left or right ventricle to eject the stroke volume into the aorta or pulmonary artery, respectively.
- Ventricular Late Potential [CMO:0003678] — The VLP is a high-frequency and very-low-intensity signal that is localized at the end of QRS duration, and on the beginning part of a ST segment.
- Verapamil Apparent Influx Permeability Clearance in Aqueous Humor [CMO:0003173] — This is a calculated measurement which is used to determine passive permeability coefficients. It helps assess the rate of verapamil permeation and the presence of active transport processes in a two compartment system involving aqueous humor and blood plasma. This calculated value is determined by this formula: Capp(t)/Cp(t) = Kin,tissue x AUC(t)/Cp(t) + Vi, where Capp=apparent concentration, p=plasma, and Vi=rapidly equilibrated distribution volume of verapamil in the aqueous humor.
- Verapamil Apparent Influx Permeability Clearance in Brain [CMO:0003170] — This is a calculated measurement which is used to determine passive permeability coefficients. It helps assess the rate of verapamil permeation and the presence of active transport processes in a two compartment system involving brain and blood plasma. This calculated value is determined by this formula: Capp(t)/Cp(t) = Kin,tissue x AUC(t)/Cp(t) + Vi, where Capp=apparent concentration, p=plasma, and Vi=rapidly equilibrated distribution volume of verapamil in brain.
- Verapamil Apparent Influx Permeability Clearance in Retina [CMO:0003172] — This is a calculated measurement which is used to determine passive permeability coefficients. It helps assess the rate of verapamil permeation and the presence of active transport processes in a two compartment system involving retina and blood plasma. This calculated value is determined by this formula: Capp(t)/Cp(t) = Kin,tissue x AUC(t)/Cp(t) + Vi, where Capp=apparent concentration, p=plasma, and Vi=rapidly equilibrated distribution volume of verapamil in retina.
- Vertebra Area [CMO:0001684] — A measurement of the extent of a two-dimensional surface of or plane through a vertebra, any of the individual bones forming the spinal column, the protective bony corridor through which the spinal cord passes.
- Vertebra Biomechanical Measurement [CMO:0001665] — A calculated value resulting from a quantification of the action of forces on or related to a vertebra, one of the individual bones forming the spinal column, the protective bony corridor through which the spinal cord passes. Bone is the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts.
- Vertebra Cortical Cross-sectional Area [CMO:0001686] — The portion of the cross-sectional area of a vertebra that corresponds to the area of the cortex, the outer, more dense layer of the bone. The cross-sectional area of a vertebra is a measurement of the extent of a plane through, i.e. perpendicular to the axis of, a vertebra, any of the individual bones forming the spinal column, the protective bony corridor through which the spinal cord passes.
- Vertebra Cross-sectional Area [CMO:0001685] — A measurement of the extent of a plane through, that is, perpendicular to the axis of, a vertebra, any of the individual bones forming the spinal column, the protective bony corridor through which the spinal cord passes.
- Vertebra Length [CMO:0001680] — The distance from end to end of a single vertebra, that is, the distance between the two surfaces in one vertebra that connect to the corresponding surfaces of adjacent vertebrae. A vertebra is any of the individual bones forming the spinal column, the protective bony corridor through which the spinal cord passes.
- Vertebra Morphological Measurement [CMO:0001679] — Quantitation of the physical form or structure of one or more vertebrae, the individual bones forming the spinal column, the protective bony corridor through which the spinal cord passes.
- Vertebra Trabecular Cross-sectional Area [CMO:0001691] — The portion of the cross-sectional area of a vertebra that corresponds to the area occupied by cancellous or spongy bone, the inner, less dense, more metabolically active type of osseous tissue made up of a network of tiny lattice-shaped spicules often containing marrow. The cross-sectional area of a vertebra is a measurement of the extent of a plane through, i.e. perpendicular to the axis of, a vertebra, any of the individual bones forming the spinal column, the protective bony corridor through which the spinal cord passes.
- Vertebra Ultimate Force [CMO:0001678] — A calculated measurement of the force necessary to fracture a vertebra, one of the individual bones forming the spinal column, the protective bony corridor through which the spinal cord passes, 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.
- Vertebrae Number [CMO:0000438] — Number of bones of the spinal column.
- Vessel Shear Stress Measurement [CMO:0000201] — This is a measurement of the tangential force of the flowing blood on the endothelial surface of the blood vessel. The value is defined by the Hagen-Poiseuille equation (τ = 4μQ/πR3, where τ is the shear stress, μ is the blood viscosity, Q is the volumetric flow rate, and R is the lumen radius).
- Viable Sperm Count to Total Sperm Count Ratio [CMO:0001351] — Number of live sperm in a sample divided by the total number of sperm in that sample, expressed as a percentage.
- Vibrissa Follicle Ribonucleic Acid Level [CMO:0003983] — This is any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) found in vibrissa follicles, the tubular invaginations of the epidermis enclosing the hair roots and from which grow the vibrissae (whiskers) located on the muzzle and face of many species.
- Viral Infection Incidence/prevalence Measurement [CMO:0002360] — Any measurement in which the number of individuals in a study population that display a viral infection at a point in time or develop a viral infection 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. Viral infection is infection with a virus, a generally submicroscopic agent that lacks independent metabolism and is able to replicate only within a living host cell; the individual particle (virion) consists of nucleic acid (nucleoid) comprised of either DNA or RNA but not both, a protein shell (capsid), and in some but not all cases, a membranous envelope.
- Viral Infection Onset/diagnosis Measurement [CMO:0002367] — Any measurement which expresses a quantity related to the beginning, early stages or development of a viral infection or to the official determination of a viral infection as the cause of the observed symptom(s). Viral infection is infection with a generally submicroscopic agent lacks independent metabolism and is able to replicate only within a living host cell; the individual particle (virion) consists of nucleic acid (nucleoid) comprised of either DNA or RNA but not both, a protein shell (capsid), and in some but not all cases, a membranous envelope.
- Vocalization Measurement [CMO:0002134] — Any measurement of the use of uttered sounds for auditory communication.
- Volume of Blood Removed to Total Prehemorrhagic Blood Volume Ratio [CMO:0003663] — A calculated measurement in which the size of the three dimensional space occupied by blood removed from an organism is divided by the total size of the three dimensional space occupied by the prehemorrhagic blood of that organism, and the result presented as a ratio, fraction, quotient or percentage.
- Volume of Distribution of Nifedipine in the Blood [CMO:0003141] — In pharmacology, the volume of distribution (VD, also known as apparent volume of distribution) is the theoretical volume that would be necessary to contain the total amount of an administered drug at the same concentration that it is observed in the blood plasma. It is defined as the distribution of a medication between plasma and the rest of the body after oral or parenteral dosing.
- Volume of Glomerular Capillary Tuft Not Affected By Sclerosis [CMO:0003750] — Calculated value for average volume of glomerular capillary tuft not affected by sclerotic changes in sampled subjects.
- Volume of Glomerular Capillary Tuft Occupied By Sclerosis [CMO:0003751] — Calculated value for average volume of glomerular capillary tuft occupied by sclerotic changes in sampled subjects.
- Volume of Glomerular Capillary Tuft Occupied By Sclerosis to Volume of Total Glomerular Capillary Tuft Ratio [CMO:0003864] — A calculated measurement in which the average volume of glomerular capillary tuft occupied by sclerotic changes is divided by the total average total volume of glomerular capillary tuft with the result presented as a ratio, fraction, quotient or percentage, thus normalizing it to total of glomerular capillary tuft volume.
- Volume of Individual Liver Tumorous Lesion [CMO:0001078] — Measurement of the size of the three dimensional space occupied by an individual liver tumorous lesion. 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.
- Volume of Kidney Cortical Interstitium to Total Volume of Kidney Cortex Ratio [CMO:0003752] — A calculated measurement in which the average volume of interstitial space in the renal cortex is divided by the average total volume of the renal cortex and the result presented as a ratio, fraction, quotient or percentage, thus normalizing it to kidney cortical volume and, by extension, to the size of the kidney.
- Volume of Liver Occupied By Nonremodeling Tumorous Lesions [CMO:0001963] — Measurement of the size of the total three dimensional space occupied by nonremodeling tumorous lesions in the liver. Nonremodeling tumorous lesions are lesions which are or have the potential to become tumors (neoplasms or new growths of tissue in which cell multiplication is more or less uncontrolled and progressive) without any indication of a remodeling phenotype, that is, without a decrease in biochemical marker expression or growth rate, and without signs of regression.
- Volume of Liver Occupied By Remodeling Tumorous Lesions [CMO:0001964] — Measurement of the size of the total three dimensional space occupied by remodeling tumorous lesions in the liver. Remodeling tumorous lesions are lesions which are or have the potential to become tumors (neoplasms or new growths of tissue in which cell multiplication is more or less uncontrolled and progressive) but which display a remodeling phenotype, that is, a progressive decrease in biochemical marker expression and growth rate, and finally complete regression.
- Volume of Liver Occupied By Tumorous Lesions [CMO:0001079] — Measurement of the size of the total three dimensional space occupied by tumorous lesions in the liver. 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.
- Volumetric Bone Mineral Density [CMO:0001553] — Measurement of the mineral mass per unit volume of bone, the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts.
- Voluntary Body Movement Measurement [CMO:0000954] — Measurement of a movement of all or part of the body which originated, or was undertaken, controlled, or accomplished as a result of an organism's free will or choice.
- Voluntary Horizontal Locomotion Rate in An Experimental Apparatus [CMO:0002854] —
- Voluntary Locomotion Measurement [CMO:0000955] — Any measurement of the movement of an organism from one place or position to another (especially such a movement accomplished by the action of appendages such as flagella, limbs, or wings) which originated with or was undertaken, controlled, or accomplished as a result of that organism's free will or choice.
- Voluntary Social Interaction Measurement [CMO:0002676] — Any measurement of interplay, contact, communication or interchange between two or more organisms originated, undertaken, controlled, or accomplished as a result of free will or choice on the part of one or more participants.
- Vulva Ribonucleic Acid Composition Measurement [CMO:0003357] —
Data returned: 55 terms all with first letter "V".
Data updated: Sep 01, 2024