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Ventral view of the lumbosacral plexus roots in a common opossum with 5PVb. aw, abdominal wall; c, caudal nerve; ca, costoabdominal nerve; f, femoral nerve; gf, genitofemoral nerve; ih, iliohypogastric nerve; ig, ilioinguinal nerve; L1, first lumbar vertebrae (lv); L2, second lv; L3, third lv; L4, fourth lv; L5, fifth lv; lst, lumbosacral trunk; s1, first sacral nerve; o, obturator nerve; p, pudendal nerve.
