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Greater palatine canal

Passage in the skull that transmits the descending palatine artery and vein

Summary

Passage in the skull that transmits the descending palatine artery and vein

Field	Value
Name	Greater palatine canal
Latin	canalis palatinus major
Image	Gray169.png
Caption	Left palatine bone. Posterior aspect. Enlarged. (Pterygopalatine canal labeled at center left.)
Image2	Gray159.png
Caption2	Left maxillary sinus opened from the exterior. (Label "Probe in pterygopalatine canal" at center right.)

The greater palatine canal (or pterygopalatine canal) is a passage in the skull that transmits the descending palatine artery, vein, and greater and lesser palatine nerves between the pterygopalatine fossa and the oral cavity.

Structure

The greater palatine canal starts on the inferior aspect of the pterygopalatine fossa. It goes through the maxilla and palatine bones to reach the palate, ending at the greater palatine foramen. From this canal, accessory canals branch off; these are known as the lesser palatine canals.

The canal is formed by a vertical groove on the posterior part of the maxillary surface of the palatine bone; it is converted into a canal by articulation with the maxilla.

The canal transmits the descending palatine vessels, the greater palatine nerve, and the lesser palatine nerve.

Additional images

File:Gray158.png|Left maxilla. Nasal surface.

References

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.

foramina-of-the-skull

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