| Nerve: External nasal nerve | |
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File:Raminasalesexterninerviinfraorbitalis.PNG
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| Sensory areas of the head, showing the general distribution of the three divisions of the fifth nerve. (Nasal nerve labeled at center left.) | |
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| The sphenopalatine ganglion and its branches. | |
| Latin | rami nasales externi nervi infraorbitalis |
| Gray's | subject #200 891 |
| Innervates | nose |
| From | ophthalmic nerve (anterior ethmoidal 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.
Additional images
 Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion. |
External links
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated.
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