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Posterior ethmoidal artery

Cranial artery

Cranial artery

FieldValue
NamePosterior ethmoidal artery
Latinarteria ethmoidalis posterior
ImageGray514.png
CaptionThe ophthalmic artery and its branches. (Anterior and posterior ethmoid labeled at left.)
BranchFromOphthalmic artery
BranchToMeningeal branch
Nasal branches
VeinEthmoidal veins
SuppliesPosterior ethmoidal cells
Posterior ethmoidal air sinuses
Dura mater of the anterior cranial fossa
Upper part of the nasal mucosa

Nasal branches Posterior ethmoidal air sinuses Dura mater of the anterior cranial fossa Upper part of the nasal mucosa The posterior ethmoidal artery is an artery of the head which arises from the ophthalmic artery to supply the posterior ethmoidal air cells, and the meninges. It is smaller than the anterior ethmoidal artery.****

Anatomy

Origin

The posterior ethmoidal artery is an orbital branch of the ophthalmic artery.

Course and relations

After branching from the ophthalmic artery, the posterior ethmoidal artery passes between the upper border of the medial rectus muscle and superior oblique muscle to reach, enter and traverse the posterior ethmoidal canal.

Branches

Meningeal branch

It emits a meningeal branch to the dura mater after entering the cranium.

Nasal branches

It emits nasal branches that pass through the cribriform plate to reach the nasal cavity. The nasal branches form anastomoses with the sphenopalatine artery.

Distribution

This artery supplies the posterior ethmoidal air sinuses, the dura mater**** of the anterior cranial fossa, and the upper part of the nasal mucosa of the nasal septum.

References

References

  1. (2022). "Anatomy, Head and Neck, Eye Arteries". StatPearls Publishing.
  2. Gray, Henry. (1918). "Gray's Anatomy".
  3. Standring, Susan. (2020). "Gray's Anatomy: The Anatomical Basis of Clinical Practice".
  4. Standring, Susan. (2020). "Gray's Anatomy: The Anatomical Basis of Clinical Practice".
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.

arteries-of-the-head-and-neck otorhinolaryngology
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