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Pterygoid hamulus

Hook-like process of the sphenoid bone of the skull

Hook-like process of the sphenoid bone of the skull

FieldValue
NamePterygoid hamulus
Latinhamulus pterygoideus
ImageFile:Gray146.png
CaptionSphenoid bone. Anterior and inferior surfaces. (Hamulus labeled at bottom left.)
Image2File:Gray194.png
Caption2Sagittal section of skull. (Sphenoid is in yellow, and pterygoid hamulus labeled at bottom center.)
PartOfSphenoid bone of skull
SystemSkeletal

The pterygoid hamulus is a hook-like process at the lower extremity of the medial pterygoid plate of the sphenoid bone of the skull. It is the superior origin of the pterygomandibular raphe, and the tensor veli palatini muscle courses around it before inserting into the palatine aponeurosis.

Structure

The pterygoid hamulus is part of the medial pterygoid plate of the sphenoid bone of the skull. Its tip is rounded off. It has an average length of 7.2 mm, an average depth of 1.4 mm, and an average width of 2.3 mm. The tendon of tensor veli palatini muscle glides around it.

Function

The pterygoid hamulus is the superior origin of the pterygomandibular raphe.

Clinical significance

Rarely, the pterygoid hamulus may be enlarged, which may cause mouth pain.

References

References

  1. (1 January 1999). "Functional morphology of the pterygoid hamulus". [[Anatomischer Anzeiger]].
  2. (2001). "A case of elongated pterygoid hamulus syndrome". Oral Diseases.
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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