释义 |
DictionarySeedead spacerespiratory dead space
respiratory dead space[′res·prə‚tȯr·ē ′ded ‚spās] (physiology) That part of the respiratory system which has no alveoli and in which little or no exchange of gas between air and blood takes place. respiratory dead space
res·pi·ra·to·ry dead spacethat part of the respiratory tract or of a single breath that fails to exchange oxygen and carbon dioxide with pulmonary capillary blood; a nonspecific term that fails to distinguish between anatomic dead space and physiologic dead space. |