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Middle pharyngeal constrictor
Other Terms:
Middle pharyngeal constrictor,
Middle constrictor of pharynx,
Middle constrictor pharyngeus,
Middle constrictor,
Musculus constrictor pharyngis medius,
Muscle constricteur moyen du pharynx
Muscle parts
Chondropharyngeal part; Ceratopharyngeal part
Latin name
Musculus constrictor pharyngis medius
Latin muscle parts
Pars chondropharyngea; Pars ceratopharyngea
Group
Branchial arch muscle – fourth arch (Pharyngeal muscle)
Etymology
The English equivalent for this muscle name is the middle muscle that draws the cleft or gulley together. The word constrictor comes from the Latin terms con meaning “together” and the verb stringere meaning “to bind.” The word pharynx, what is referred to as the throat, arises from the Greek pharangos meaning “cleft, gulley, or ravine.” The Latin word medius means “middle.”
Origin
Lesser cornu and upper surface of entire greater cornu of the hyoid bone
Insertion
Median raphe of the pharynx
Action
Produce both sphincteric and peristaltic actions during swallowing.
Nerve supply
Vagus nerve (Cranial nerve X)
Blood supply
The muscle receives blood from the pharyngeal branches of the ascending pharyngeal artery and from the first and second part of the lingual artery, both branches of the external carotid artery.
Latin
Musculus constrictor pharyngis medius
French
Muscle constricteur moyen du pharynx
