Glossopharyngeal Part of Superior Pharyngeal Constrictor
Pars glossopharyngeal constrictoris pharyngis superioris
Read moreQuick 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.
Related parts of the anatomy
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.
Actions
Overall, the superior pharyngeal constrictor muscle constricts the upper part of the pharynx during swallowing.
Learn more about this topic from other Elsevier products
Superior Pharyngeal Constrictor Muscle
The SPC muscles envelop all the collapsible segment of the pharynx and form the outer pharyngeal muscular layer.
