Sphenopalatine foramen

Sphenopalatine foramen
Medial wall of left orbit. (Sphenopalatine foramen labeled in upper right.)
Left palatine bone. Posterior aspect. Enlarged. (Sphenopalatine foramen labeled in upper right.)
Details
Identifiers
Latin	foramen sphenopalatinum
TA98	A02.1.00.097
TA2	502
FMA	53144
Anatomical terms of bone [edit on Wikidata]

The sphenopalatine foramen is a foramen of the skull that connects the nasal cavity and the pterygopalatine fossa. It gives passage to the sphenopalatine artery, nasopalatine nerve, and the superior nasal nerve (all passing from the pterygopalatine fossa into the nasal cavity).^[1]

The processes of the superior border of the palatine bone are separated by the sphenopalatine notch, which is converted into the sphenopalatine foramen by the under surface of the body of the sphenoid.^{[citation needed]}

The sphenopalatine foramen is situated posterior to the middle nasal meatus orbital process of palatine bone, anterior to the sphenoidal process of palatine bone, inferior to the body and concha^{[clarification needed]} of the sphenoid bone, and superior to the superior margin of the perpendicular plate of palatine bone.^[1]

The ethmoid crest (a reliable surgical landmark) is situated anterior to the sphenopalatine foramen.^[1]

• 
  Articulation of left palatine bone with maxilla.
• 
  Left palatine bone. Nasal aspect. Enlarged.

This article incorporates text in the public domain from page 168 of the 20th edition of Gray's Anatomy (1918)

• lesson9 at The Anatomy Lesson by Wesley Norman (Georgetown University) (nasalwallbones) (#10)
• Anatomy photo:22:os-1108 at the SUNY Downstate Medical Center

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