| Posterior ethmoidal nerve | |
|---|---|
 The ophthalmic artery and its branches. (Nerve not pictured, but location is similar to artery.) | |
| Details | |
| From | Nasociliary nerve |
| Innervates | Sphenoidal sinus, ethmoidal sinus |
| Identifiers | |
| Latin | nervus ethmoidalis posterior |
| TA98 | A14.2.01.028 |
| TA2 | 6207 |
| FMA | 52714 |
| Anatomical terms of neuroanatomy | |
The posterior ethmoidal nerve is a nerve of the head. It is a branch of the nasociliary nerve (itself a branch of the ophthalmic nerve (CN V1)). It provides sensory innervation to the sphenoid sinus and ethmoid sinus, and part of the dura mater in the anterior cranial fossa.