英语词汇“emphysema”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

em·phy·se·ma

(ĕm′fĭ-sēmə, -zē-)

1. A pathological condition of the lungs marked by an abnormal increase in the size of the air spaces, resulting in labored breathing and an increased susceptibility to infection. It can be caused by irreversible expansion of the alveoli or by the destruction of alveolar walls.

2. An abnormal distension of body tissues caused by retention of air.

[Greek emphūsēma, inflation, from emphūsān, to blow in : en-, in; see EN-² + phūsān, to blow (from phūsa, bellows, bladder).]

em′phy·sema·tous (-sĕmə-təs, -sēmə-, -zĕmə-, -zēmə-) adj.

em′phy·semic adj. & n.

emphysema

top: normal bronchiole and alveoli

bottom: diseased bronchiole with mucus, enlarged air sacs in the alveoli, and fewer capillaries

单词	emphysema
释义	em·phy·se·ma (ĕm′fĭ-sēmə, -zē-) n. 1. A pathological condition of the lungs marked by an abnormal increase in the size of the air spaces, resulting in labored breathing and an increased susceptibility to infection. It can be caused by irreversible expansion of the alveoli or by the destruction of alveolar walls. 2. An abnormal distension of body tissues caused by retention of air. [Greek emphūsēma, inflation, from emphūsān, to blow in : en-, in; see EN-² + phūsān, to blow (from phūsa, bellows, bladder).] em′phy·sema·tous (-sĕmə-təs, -sēmə-, -zĕmə-, -zēmə-) adj. em′phy·semic adj. & n. emphysema top: normal bronchiole and alveoli bottom: diseased bronchiole with mucus, enlarged air sacs in the alveoli, and fewer capillaries
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