Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of Muscles: C: Constrictor Pharyngis Superior

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Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of Muscles: C

Constrictor Pharyngis Superior

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed

Because a considerable degree of independence may exist between the bundles of fibers coming from different areas of the line of origin, this muscle has been described as consisting of various parts designated pterygopharyngeus, buccopharyngeus, mylopharyngeus, and glossopharyngeus. Frequently, a bundle of fibers arises from the basilar portion of the occipital bone, or even from the inferior surface of the petrous portion of the temporal bone or the spine of the sphenoid, and passes downward to be inserted along with palatopharyngeus.

The salpingopharyngeus is a bundle that arises from the cartilaginous portion of the eustachian tube (auditory tube) and inserts with palatopharyngeus with the remainder of the superior constrictor.

References

Anderson, R.J. (1897) A variety of mylopharyngeus and other unusual muscular abnormalities J. Anat. Physiol. 14: 357-359.

Anson, B.J ., Ed (1966) Morris' Human Anatomy, 12th ed., The Blakiston Division, McGraw-Hill Book Company, New York.

Macalister, A. (1875) Additional observations on muscular anomalies in human anatomy (third series), with a catalogue of the principal muscular variations hitherto published. Trans. Roy. Irish Acad. Sci. 25:1-134.

de Paula Assis, J.E. (1947) Observacoes anatâmicas sôbre o musculus salphingopharyngeus. Rev. Brasil. Oto-Rino-Laryngo. 15:169-181.

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