A. It is derived from S2,3,4.
B. It is both sensory and motor.
C. It leaves the pelvis through the lesser sciatic foramen.
D. It leaves through lesser sciatic foramen and enter pudendal canal.
Ans.C It leaves the pelvis through the lesser sciatic foramen
yellow color nerve is Pudendal nerve
- Pudendal nerve leaves the pelvis, to enter the gluteal region, by passing through the lower part of the greater sciatic foramen.
- Pudendal nerve leaves the gluteal region by passing through the lesser sciatic foramen and enters the pudendal canal, and by means of its branches supplies the external anal sphincter and muscles and skin of the perineum.
- The pudendal nerve originates from the lumbo-sacral plexus (L4-S4). It consists of both sensory fibers (80%) and motor fibers (20%).