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Pharyngobasilar Fascia
Muscular System

Pharyngobasilar Fascia

Fascia pharyngobasilaris

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Structure/Morphology

The pharyngobasilar fascia thick fibrous fascia that bears some of the weight of the pharyngeal mucosa and suspends it from the inferior aspect of the skull. Some of the fibers of the superior pharyngeal constrictor muscle originate in this tendinous connective tissue (Standring, 2016).

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Anatomical Relations

The pharyngobasilar fascia is attached anteriorly to the posterior margin of the medial pterygoid plate of the sphenoid bone. The fascia extends posteromedially to attach superiorly to the petrous part of the temporal bone, as well as the basilar part of the occipital bone, specifically the pharyngeal spine. It meets its contralateral counterpart at the superior part of the pharyngeal raphe, where it tapers off (Standring, 2016).

Function

The pharyngobasilar fascia is thickened to support the pharyngeal mucosa superior to the superior constrictor muscle and anchor sit to the inferior aspect of the skull.

References

Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41st edn.: Elsevier Limited.

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Pharyngobasilar Fascia

ScienceDirect image

The pharyngobasilar fascia, a tough aponeurosis, is the cranial extension of the superior constrictor muscle from the level of the soft palate to the base of the skull.

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