External nasal nerve

External nasal nerve

Infobox Nerve
Name = PAGENAME
Latin = rami nasales externi nervi infraorbitalis
GraySubject = 200
GrayPage = 891


Caption = Sensory areas of the head, showing the general distribution of the three divisions of the fifth nerve. (Nasal nerve labeled at center left.)


Caption2 = The sphenopalatine ganglion and its branches.
Innervates = nose
BranchFrom = ophthalmic nerve (anterior ethmoidal nerve)
BranchTo =
MeshName =
MeshNumber =
DorlandsPre = r_02
DorlandsSuf = 12691092
The external nasal branches (or external nasal nerve) are terminal branches of the anterior ethmoidal nerves (from the ophthalmic division of the trigeminal nerve, CN V), and provide sensory innervation to the skin of the side of the nose and of the septum mobile nasi.


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