Salpingopharyngeus muscle
Muscle of the pharynx / From Wikipedia, the free encyclopedia
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The salpingopharyngeus muscle is a muscle of the pharynx. It arises from the lower part of the cartilage of the Eustachian tube,[1] and inserts into the palatopharyngeus muscle by blending with its posterior fasciculus. It is innervated by vagus nerve (cranial nerve X) via the pharyngeal plexus. It raises the pharynx and larynx during deglutition (swallowing) and laterally draws the pharyngeal walls up. It opens the pharyngeal orifice of the Eustachian tube during swallowing to allow for the equalization of pressure between it and the pharynx.
Quick Facts Details, Origin ...
Salpingopharyngeus muscle | |
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Details | |
Origin | Lower part of the cartilage of the auditory tube |
Insertion | Fibers pass downward and blend with the palatopharyngeus muscle to the upper border thyroid cartilage, blending with constrictor fibers |
Artery | Ascending pharyngeal artery |
Nerve | Vagus nerve (CN X) |
Actions | Assists in elevating pharynx, pulls on torus tubarius to pressure equalize middle ear |
Identifiers | |
Latin | musculus salpingopharyngeus |
TA98 | A05.3.01.115 |
TA2 | 2191 |
FMA | 46665 |
Anatomical terms of muscle |
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