middle constrictor muscle of pharynx

mid·dle con·stric·tor mus·cle of phar·ynx

(mid'ĕl kŏn-strik'tĕr mŭs'ĕl far'ingks)
Origin, stylohyoid ligament, lesser cornu of the hyoid bone (chondropharyngeal part) and greater cornu of the hyoid bone (ceratopharyngeal part); insertion, pharyngeal raphe in the posterior wall of the pharynx; action, narrows pharynx in the act of swallowing; nerve supply, pharyngeal plexus.
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