Superior constrictor muscle (pharynx, anatomy)
The superior constrictor muscle of the pharynx is one of the paired external muscles of the pharynx. It arises from several sites:
- inferior two-thirds of medial pterygoid plate in continuity with the pterygoid hamulus
- pterygomandibular raphe
- posterior end of mylohyoid line on mandible
It inserts into the:
- superior part of the median pharyngeal raphe
- pharyngeal tubercle on the clivus of the occiput
Superior constrictor constricts the wall of the pharynx during swallowing.
It is innervated via the pharyngeal plexus.
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