middle constrictor (muscle) of pharynx

(redirected from chondropharyngeal part of middle constrictor muscle of pharynx)

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

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.