External nasal nerve
|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.|
|Latin||rami nasales externi nervi infraorbitalis|
|Gray's||subject #200 891|
|From||maxillary nerve (infraorbital nerve)|
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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