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Sacral and Coccygeal Plexuses Anatomy


Sacral and Coccygeal Plexuses Anatomy
Schema: Anterior division, Posterior division, Superior gluteal nerve, Inferior gluteal nerve, Nerve to piriformis muscle, Lumbosacral trunk, Gray rami communicantes, Coccygeal nerve, Anococcygeal nerve, Perineal branch of 4th sacral nerve, Nerve to levator ani and coccygeus muscles, Pudendal nerve, Perforating cutaneous nerve, Posterior femoral cutaneous nerve, Nerve to quadratus femoris (and inferior gemellus) muscles, Sciatic nerve, Tibial nerve (L4, 5, S1, 2, 3), Common fibular nerve (L4, 5, S1, 2), 

Nerve to obturator internus (and superior gemellus) muscles, Sympathetic trunk, Gray rami communicantes, Pelvic splanchnic nerves (cut) (parasympathetic to inferior hypogastric plexus), Sacral splanchnic nerves (cut) (sympathetic to inferior hypogastric plexus), Lumbosacral trunk, Psoas major muscle, Superior gluteal artery and nerve, Obturator nerve, Iliacus muscle, Inferior gluteal artery, Nerve to quadratus femoris muscle, Internal pudendal artery, Nerve to obturator internus muscle, Pudendal nerve, Obturator internus muscle, Superior pubic ramus, Piriformis muscle, Coccygeus muscle, Levator ani muscle, Topography: medial and slightly anterior view of hemisected pelvis, Pelvic splanchnic nerves (parasympathetic to inferior hypogastric [pelvic] plexus [S2, 3, 4]).
Sacral and Coccygeal Plexuses Anatomy



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