S3 anterior ramus
Roots · S3
Sends its lowest sciatic fibres into the tibial division and a major contribution to the pudendal nerve; with S2 and S4 forms the pelvic splanchnic nerves.
Detail
- Dermatome
- Medial buttock and the perineal skin over the ischial tuberosity (the 'sitting' area)
- Autonomic
- Pelvic splanchnics S2–S4
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