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Pure Appl. Chem., Vol. 65, No. 9, pp. 2003-2122, 1993.



Glossary for chemists of terms used in toxicology
(IUPAC Recommmendations 1993)


Alphabetical entries

A | B | C | D | E | F | G | H | I | J | K | L | M

N | O | P | Q | R | S | T | U | V | W | X | Y | Z 

vacuole: Membrane-bound cavity within a cell.
validity (of a measurement): Expression of the degree to which a measurement measures what it purports to measure.
NT concurrent validity, construct validity, content validity, criterion validity, predictive validity.
Last, 1988
validity of a study: Degree to which the inferences drawn from a study, especially generalizations extending beyond the study sample, are warranted when account is taken of the study methods, the representativeness of the study sample, and the nature of the population from which it is drawn.
Last, 1988
NT external validity, internal validity.
vasoconstriction: Decrease of the calibre of the blood vessels leading to a decreased blood flow.
AN vasodilation.
vasodilation: Increase in the calibre of the blood vessels, leading to an increased blood flow.
AN vasoconstriction.
vehicle: Substance(s) used to formulate active ingredients for administration or use (general term for solvents, suspending agents, etc.).
Brown, 1988
RT excipient.
venom: Animal toxin generally used for self-defence or predation and usually delivered by a bite or sting.
PS toxin.
1. Process of supplying a building or room with fresh air.
2. Process of exchange of air between the ambient atmosphere and the lungs.
3. In physiology, the amount of air inhaled per day.
4. Oxygenation of blood.
ventricular fibrillation: Irregular heartbeat characterized by uncoordinated contractions of the ventricle.
vermicide: Substance intended to kill worms.
vermifuge: Substance that causes the expulsion of intestinal worms.
vertigo: Dizziness; an illusion of movement as if the external world were revolving around an individual or as if the individual were revolving in space.
1. adj., Producing blisters on the skin.
2. n., Substance that causes blisters on the skin.
1. Small sac or bladder containing fluid.
2. Blisterlike elevation on the skin containing serous fluid.

volume of distribution: Apparent (hypothetical) volume of fluid required to contain the total amount of a substance in the body at the same concentration as that present in the plasma assuming equilibrium has been attained.
RT plasma.


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Alphabetical entries

A | B | C | D | E | F | G | H | I | J | K | L | M

N | O | P | Q | R | S | T | U | V | W | X | Y | Z

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