Originally: the gas-filled chamber of a pneumatophore (pneumatophore, n. 1). Later more widely: any air-filled sac in an organism, esp. in an…
| 单词 | θ38777 |
| 释义 | the world > animals > birds > parts of or bird defined by > [noun] > parts of lung (3) pneumatocyst1859 Originally: the gas-filled chamber of a pneumatophore (pneumatophore, n. 1). Later more widely: any air-filled sac in an organism, esp. in an… tracheobronchial1896 pertaining to the trachea and the bronchi; also as n., a tracheobronchial muscle (in birds). parabronchus1916 any of the smallest branches of the bronchi of a bird's lung. |
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