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The innervation is supplied by the inferior gluteal nerve, a branch of the sacral plexus (L4-S2). Numerous vessels and nerves run under the gluteus maximus muscle, including the sciatic nerve, the pudendal nerve and the superior gluteal vessels.
Ventral root fibers are the axons of motor and visceral efferent fibers and emerge from poorly defined ventral lateral sulcus as ventral rootlets. The ventral rootlets from discrete spinal cord section unite and form the ventral root, which contain motor nerve axons from motor and visceral motor neurons.pinal cord section with its ventral and dorsal root fibers and ganglion. Information from the skin, skeletal muscle and joints is relayed to the spinal cord by sensory cells located in the dorsal root ganglia. The dorsal root fibers are the axons originated from the primary sensory dorsal root ganglion cells.