| Frontal nerve | |
|---|---|
 Nerves of the orbit. Seen from above. | |
| Details | |
| From | Ophthalmic nerve |
| To | Supratrochlear nerve and supraorbital nerve |
| Innervates | Skin of forehead, mucosa of frontal sinus, skin of upper eyelid |
| Identifiers | |
| Latin | nervus frontalis |
| TA98 | A14.2.01.020 |
| TA2 | 6199 |
| FMA | 52638 |
| Anatomical terms of neuroanatomy | |
The frontal nerve is the largest branch of the ophthalmic nerve (V1), itself a branch of the trigeminal nerve (CN V). It supplies sensation to the skin of the forehead, the mucosa of the frontal sinus, and the skin of the upper eyelid. It may be affected by schwannoma.