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middle constrictor (muscle) of pharynx


Definition: intermediate part of outer “circular” muscle layer of pharynx; origin, stylohyoid ligament, lesser cornu of the hyoid bone (chondropharyngeal part [TA]) and greater cornu of the hyoid bone (ceratopharyngeal part [TA]); insertion, pharyngeal raphe in the posterior wall of the pharynx; action, narrows pharynx in the act of swallowing; nerve supply, pharyngeal plexus.

Synonym(s): musculus constrictor pharyngis mediusTA

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.