interalveolar septum

[ ĭn′tər-ăl-vēə-lər ]

n.

The close-meshed capillary network covered by thin alveolar epithelial cells that intervenes between adjacent pulmonary alveoli.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.