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Elsevier
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Glossopharyngeal Part of Superior Pharyngeal Constrictor
Muscular System

Glossopharyngeal Part of Superior Pharyngeal Constrictor

Pars glossopharyngeal constrictoris pharyngis superioris

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Quick Facts

Origin: Side of root of tongue.

Insertion: Pharyngeal raphe.

Action: Constriction of upper pharynx during swallowing.

Innervation: Pharyngeal plexus (CN X).

Arterial Supply: Ascending pharyngeal artery and tonsillar branch of facial artery.

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Origin

The glossopharyngeal part of the superior constrictor muscle originates from the root of the tongue.

Insertion

The glossopharyngeal part of the superior constrictor muscle blends with the remaining fibers of the superior constrictor muscle which enters the pharyngeal raphe.

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Overall, the superior pharyngeal constrictor muscle constricts the upper part of the pharynx during swallowing.

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Complete Anatomy