Posterior ethmoidal nerve
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| Nerve: Posterior ethmoidal nerve | |
|---|---|
 | |
| 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.
External links
- Posterior+ethmoidal+nerve at eMedicine Dictionary
- MedEd at Loyola GrossAnatomy/h_n/cn/cn1/cnb1.htm
- Norman/Georgetown cranialnerves (V)
The cranial nerves: trigeminal nerve | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ophthalmic (V1) | frontal: supratrochlear - supraorbital (lateral branch, medial branch)
nasociliary: long ciliary - infratrochlear - posterior ethmoidal - anterior ethmoidal (external nasal, internal nasal) - sensory root of ciliary ganglion (ciliary ganglion) lacrimal | ||||||||
| maxillary (V2) |
| ||||||||
| mandibular (V3) |
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