Alveolar capillary, electron micrograph
Micrograph courtesy of Jeff Morton
This micrograph illustrates one capillary within an alveolar wall.includes portions of several glomerular capillaries.
Gas molecules diffusing from alveolar air space to capillary lumen (or vice versa) must pass through the the alveolar epithelium and the capillary endothelium as well as the intervening basement membranes.
CARDIOVASCULAR IMAGE INDEX
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Last updated: 25 August 2003 / dgk