| 释义 |
middle constrictor (muscle) of pharynx mid·dle con·stric·tor (mus·cle) of phar·ynx [TA] 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 medius [TA] |