Perineal nerve
The perineal nerve is a nerve of the pelvis. It arises from the pudendal nerve in the pudendal canal. It gives superficial branches to the skin, and a deep branch to muscles. It supplies the skin and muscles of the perineum. Its latency is tested with electrodes.
| Perineal nerve | |
|---|---|
Pudendal nerve, its course through the lesser sciatic foramen, and branches, including inferior anal at bottom right. | |
The superficial branches of the internal pudendal artery. (Perineal nerve visible but not labeled.) | |
| Details | |
| From | pudendal nerve |
| Innervates | perineum, scrotum or labia majora superficial transverse perineal muscle, bulbospongiosus muscle, ischiocavernosus muscle, bulb of penis, levator ani, external anal sphincter |
| Identifiers | |
| Latin | nervi perineales |
| TA98 | A14.2.07.039 |
| TA2 | 6556 |
| FMA | 21866 |
| Anatomical terms of neuroanatomy | |
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