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What is Preganglionic parasympathetic nerve fiber which supply pelvic viscera is/are -a) Ventral rami of S2S3S4 b) Hypogastric plexusc) Pudendal nerved) Pelvic Splanchnic nervee) Inferior mesenteric plexus and explain in detail?
Ventral rami of S2-4 gives rise to the pelvic splanchnic nerve. They act as preganglionic parasympathetic fibers to pelvic organs.