肺泡管
Ductus alveolaris
定义
每个细支气管分为两个或多个呼吸性细支气管,其上散布有少量肺泡;每个呼吸性细支气管再分为数个肺泡管,与之相连的肺泡数量更多。每个肺泡管与数量不等的不规则球形腔隙相连,这些腔隙上亦分布有肺泡,即肺房。每个肺房与数量不等(2–5个)的肺泡囊相连,肺泡囊的整个周壁上均附有肺泡或气囊。(Miller.)
參考資料
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).