Middle pharyngeal constrictor muscle

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The middle pharyngeal constrictor muscle is a muscle of the throat that assists in swallowing by constricting the pharynx when contracted. It is the middle of the three pharyngeal constrictor muscles that coordinate the downward movement of food through the pharynx to the esophagus in a swallowing motion.


The middle pharyngeal constrictor muscle originates from the hyoid bone in the throat and part of the stylohyoid ligament, one of the ligaments attached to the hyoid bone. Specifically, it attaches to the lower third of the stylohyoid ligament and the lesser cornu and the superior border of the greater cornu of the hyoid bone.


The middle pharyngeal constrictor muscle inserts at the middle section of the pharyngeal raphe.

See also

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