External nasal nerve

External nasal nerve
	Sensory areas of the head, showing the general distribution of the three divisions of the fifth nerve. (Nasal nerve labeled at center left.)
	The sphenopalatine ganglion and its branches.
Details
From	ophthalmic nerve (anterior ethmoidal nerve)
Innervates	nose
Identifiers
Latin	Rami nasales externi nervi infraorbitalis
TA	A14.2.01.034
FMA	52688
	Anatomical terms of neuroanatomy

The external nasal nerve (or external nasal branches) are terminal branches of the anterior ethmoidal nerves (from the ophthalmic division of the trigeminal nerve), and provide sensory innervation to the skin of the lower half of the nose and of the nasal septum.

Additional images

Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion.

References

This article incorporates text in the public domain from page 891 of the 20th edition of Gray's Anatomy (1918)

External links

Anatomy photo:29:08-0100 at the SUNY Downstate Medical Center

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