Vocal Fold Histology

Vocal Fold Histology - Muscosa epithelium superficial layer...

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Vocal fold histology (microstructure) Vocal fold microstructure • The membranous portion of the vocal folds is an intricate structure of 5 histologically- discrete layers that vary in composition and mechanical properties. • Membranous structure vibrates to create sound. • Integrity of the vibrating pattern relies on a pliable, elastic structure.
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• The different layers provide variable amounts of flexibility and stability. Lamina propria : A thin vascular layer of connective tissue beneath the epithelium of an organ. Vocal fold covering 3-layer scheme
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Unformatted text preview: Muscosa epithelium superficial layer of LP Vocal ligament/Transition intermediate layer of LP deep layer of LP Muscle thyroarytenoid Evolution of covering of vocal folds Longitudinal variation in width of soft-tissue layers ligament is thicker at end points, where larger mechanical stresses occur in the fibers middle of vocal fold has thicker mucosa where greatest impact of collision occurs suggests that superficial tissue may be well-suited to withstand direct impact...
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This note was uploaded on 11/13/2010 for the course CODS 361 taught by Professor Gel during the Spring '10 term at WPUNJ.

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Vocal Fold Histology - Muscosa epithelium superficial layer...

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