Posterior ethmoidal nerve

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Nerve: Posterior ethmoidal nerve
Gray514.png
The ophthalmic artery and its branches. (Nerve not pictured, but location is similar to artery.)
Latin nervus ethmoidalis posterior
Gray's subject #200 888
Innervates    sphenoidal sinus, ethmoidal sinus
From nasociliary nerve
Dorlands
/ Elsevier
    
n_05/12565761

The posterior ethmoidal nerve is a branch of the nasociliary nerve.

It passes through the posterior ethmoidal foramen, with the posterior ethmoidal artery.

It carries sensory information from the sphenoid sinus and posterior ethmoidal air cells.

It is absent in about 30% of people.

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