出典:Wiktionary
出典:『Wiktionary』 (2009/01/09 10:25 UTC 版)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/30 04:15 UTC 版)
Each lung is invested by an exceedingly delicate serous membrane, the pleura, which is arranged in the form of a closed invaginated sac. A portion of the serous membrane covers the surface of the lung and dips into the fissures between its lobes; it is called the pulmonary pleura (or visceral pleura).