fibromusculocartilagenous layer of bronchi
layer between submucosa and adventitia of bronchi that includes cartilages enclosed in perichondrium continuous between cartilages with a dense, fibrous membrane that includes smooth muscle and elastic fibers; this layer provides rigidity to the wall while allowing active reduction and passive increase in diameter of the bronchus.
Synonym(s): tunica fibromusculocartilaginea bronchiTA
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