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Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Neuroscience · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology (Index, Outline)
| Nerve: Posterior scrotal nerves | ||
|---|---|---|
 | ||
| The superficial branches of the internal pudendal artery. (Posterior scrotal nerves labeled at center right.) | ||
| [[Image:|250px|center|]] | ||
| Latin | nervi scrotales posteriores | |
| Gray's | subject #213 968 | |
| Innervates | ||
| From | perineal nerve | |
| To | ||
| MeSH | [1] | |
The posterior scrotal (or labial) branches; superficial peroneal nerves) are two in number, medial and lateral.
They pierce the fascia of the urogenital diaphragm, and run forward along the lateral part of the urethral triangle in company with the posterior scrotal branches of the perineal artery; they are distributed to the skin of the scrotum and communicate with the perineal branch of the posterior femoral cutaneous nerve.
These nerves supply the labium majus in the female.
External links
- SUNY Labs 41:09-0102 - "The Female Perineum: Muscles of the Superficial Perineal Pouch"
- Norman/Georgetown perineum (analtriangle3)
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 As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
lumbar plexus: iliohypogastric - ilioinguinal - genitofemoral (femoral branch/lumboinguinal, genital branch) - lateral cutaneous of thigh (patellar) - obturator (anterior, cutaneous, posterior, accessory) - femoral (anterior cutaneous branches, saphenous)
sacral/coccygeal plexus: to quadratus femoris - to obturator internus - to the piriformis - superior gluteal - inferior gluteal - posterior cutaneous of thigh (inferior cluneal, perineal branches)
sciatic: tibial (medial sural cutaneous, sural, medial calcaneal, medial plantar, lateral plantar) - common fibular (lateral sural cutaneous, deep fibular, superficial fibular, medial dorsal cutaneous, intermediate dorsal cutaneous)
pudendal plexus: perforating cutaneous - pudendal (dorsal of the penis/clitoris, inferior anal, perineal and posterior scrotal/labial) - anococcygeal
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