Cutaneous branch of the obturator nerve

Nerve in the human body

The cutaneous branch of the obturator nerve is an occasional continuation of the communicating branch to the femoral medial cutaneous branches and saphenous branches of the femoral to the thigh and leg. When present it emerges from beneath the distal/inferior border of the adductor longus muscle and descends along the posterior margin of the sartorius muscle to the medial side of the knee where it pierces the deep fascia and communicates with the saphenous nerve. When present, it provides sensory innervation to the skin of proximal/superior half of the medial side of the leg.

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