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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.
Sensory: The three terminal branches of CN V innervate the skin, mucous membranes and sinuses of the face. Their distribution pattern is similar to the dermatome supply of spinal nerves (except there is little overlap in the supply of the divisions). Motor: Only the mandibular branch of CN V has motor fibres. It innervates the muscles of mastication: medial pterygoid, lateral pterygoid, masseter and temporalis. The mandibular nerve also supplies other 1st pharyngeal arch derivatives: anterior belly of digastric, tensor veli palatini and tensor tympani.