Residual air

(Physiol.)

that portion of air contained in the lungs which can not be expelled even by the most violent expiratory effort. It amounts to from 75 to 100 cubic inches. Cf. Supplemental air, under Supplemental.

residual air

[rə′zij·ə·wəl ′er] (physiology) residual volume

residual air

re·sid·u·al vol·ume (RV),

the volume of air remaining in the lungs after a maximal expiratory effort. Synonym(s): residual air, residual capacity

re·sid·u·al vol·ume

(RV) (rē-zid'yū-ăl vol'yūm) The volume of air remaining in the lungs after a maximal expiratory effort.
Synonym(s): residual air, residual capacity.

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