Posterior fascicle of palatopharyngeus

Definition

The thinner portion of the muscle of the palatopharyngeal arch, originating in the region of the midline where its fibers interdigitate with the contralateral partner, then passing posterior to the levator veli palatini muscle to join the longitudinal layer of pharyngeal musculature; acts as a sort of sphincter, reducing the caliber of the isthmus of fauces at the palatopharyngeal arch.

Also known as fasciculus posterior (musculus palatopharyngeus), fasciculus posterior musculus palatopharyngei, musculus sphincter palatopharyngeus, palatopharyngeal sphincter, velopharyngeal sphincter — per UBERON

The Posterior fascicle of palatopharyngeus is a part of the Respiratory.

Also identified as

• SCTID 244801005 per UBERON