blood-air barrier

n.

The material intervening between alveolar air and the blood that consists of a nonstructural film or surfactant, alveolar epithelium, basement membrane, and endothelium.

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Words nearby blood-air barrier

blood urea nitrogen, blood vessel, blood vessels, blood volume, blood work, blood-air barrier, blood-and-guts, blood-and-thunder, blood-aqueous barrier, blood-brain barrier, blood-cerebrospinal fluid barrier
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.