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fibromusculocartilagenous layer of bronchi


Definition: 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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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.