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vital capacity

   Also found in: Medical, Legal, Financial, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
vital capacity
n.
The amount of air that can be forcibly expelled from the lungs after breathing in as deeply as possible.

vital capacity
n
(Life Sciences & Allied Applications / Physiology) Physiol the volume of air that can be exhaled from the lungs after the deepest possible breath has been taken: a measure of lung function

vital capacity  (vtl)
The maximum amount of air that can be expelled from the lungs after breathing in as deeply as possible.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.vital capacity - the maximum amount of air that can be exhaled after a maximum inhalation (usually tested with a spirometer); used to determine the condition of lung tissue
diagnostic assay, diagnostic test - an assay conducted for diagnostic purposes
capacity, content - the amount that can be contained; "the gas tank has a capacity of 12 gallons"


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The investigators also measured lung function using tests for forced vital capacity (FVC), the maximum volume of air that a person can exhale after maximum inhalation, and diffusion capacity, a measurement of the lung's capacity to transfer gases.
Regarding lung function, transient effects of environmental exposure (as well as diurnal variation, which we controlled for by performing the experiment at the same time) may affect either forced vital capacity (FVC) or forced expiratory volume in 1 sec (FE[V.
 
 
 
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