| 单词 | residual volume |
| 释义 | > as lemmasresidual volume residual volume n. Physiology (a) the amount of air remaining in the lungs after maximal forcible expiration; (b) the contents remaining in an organ after its normal emptying (as blood in the heart, or urine in the bladder). ΘΚΠ the world > life > the body > respiratory organs > breathing > [noun] > air in lungs residual volume1849 stationary air1866 tidal air1872 1849–50 J. Hutchinson in Todd's Cycl. Anat. & Physiol. IV. 1066/1 The residual volume is always entirely independent of the will, and always present in the chest. 1875 A. Flint Physiol. Man (ed. 2) I. xi. 399 Dr. Hutchinson..estimates the residual volume at about 100 cubic inches. 1913 Amer. Jrnl. Physiol. 31 289 In the heart beat we must recognize..a residual volume, i.e., the blood remaining in the ventricles at the end of systole. 2000 Techniques Urol. 6 26 Assessment of postvoid residual volume (PVR) has become a valuable routine investigation in the evaluation of bladder outlet obstruction. < as lemmas |
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