Posterior ethmoidal nerve

From Wikipedia, the free encyclopedia

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.

[edit] External links

• Posterior+ethmoidal+nerve at eMedicine Dictionary
• MedEd at Loyola GrossAnatomy/h_n/cn/cn1/cnb1.htm
• Norman/Georgetown cranialnerves (V)
• http://www.dartmouth.edu/~humananatomy/figures/chapter_45/45-6.HTM

v • d • e 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) in meninges middle meningeal in pterygopalatine fossa zygomatic (zygomaticotemporal, zygomaticofacial) - pterygopalatine (pterygopalatine ganglion see below for details) - posterior superior alveolar in infraorbital canal infraorbital nerve: superior alveolar (middle, anterior) - internal nasal branches on face inferior palpebral - external nasal - superior labial (infraorbital plexus) mandibular (V3) in meninges meningeal anterior to muscles of mastication (medial pterygoid/to tensor veli palatini, lateral pterygoid, masseteric, deep temporal) - buccal posterior auriculotemporal (otic ganglion) - lingual (submandibular ganglion) - inferior alveolar (mylohyoid, mental)