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Download Nerves of Pelvis and Perineum + Sacral Plexus
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Nerves of Pelvis and Perineum + Sacral Plexus. S-IV RM34 • • • • Pelvic nerves Sacral plexus Coccygeal plexus Pelvic hypogastric plexus Lumbosacral trunk: Sacral plexus Relations of sacral plexus Branches of sacral plexus Sciatic nerve (L4-S3) Pudendal nerve (S2,S3,S4) Superior gluteal nerve (L4,S1,S2) Inferior gluteal nerve (L5,S1,S2) Nerve to Piriformis(S1,S2) Perforating cutaneous nerve(S2,S3) Posterior femoral cutaneous nerve (S1,S2,S3) Nerve to quadratus femoris and inferior gemellus (L4,L5,S1) Nerve to obturator internus and superior gemellus (L5,S1,S2) Nerve to levator ani and coccygeus (S3,S4) Pelvic splanchnic nerves (parasympathetic) Coccygeal plexus: • • • • • • Annococcygeal branch Pelvic autonomic nerves Sacral sympathetic trunks Periarterial plexus Hypogastric plexuses Pelvic splanchnic nerves Sacral sympathetic trunk Hypogastric plexus Superior hypogastric plexus Right and left hypogastric plexus Inferior hypogastric plexus Inferior hypogastric plexus Inferior hypogastric plexus Contributions to the plexus include: Functions Injury to pelvic nerves Obturator nerve (L2-L4)
