alveolocapillary membrane

[ ăl-vē′ə-lō-kăpə-lĕr′ē ]

n.

A thin layer of tissue that mediates the exchange of gases between the alveoli and the blood in the pulmonary capillaries.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.