External nasal nerve
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.
|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.
|From||ophthalmic nerve (anterior ethmoidal nerve)|
|Latin||Rami nasales externi nervi infraorbitalis|
|Anatomical terms of neuroanatomy|
- Anatomy photo:29:08-0100 at the SUNY Downstate Medical Center