Saphenous Nerve
The saphenous nerve (long or internal saphenous nerve) is the largest cutaneous branch of the femoral nerve. It is a strictly sensory nerve, and has no motor function. Structure It is purely a sensory nerve. The saphenous nerve is the largest and terminal branch of the femoral nerve. Shortly after the femoral nerve passes under the inguinal ligament, it splits into anterior and posterior divisions by the passage of the lateral femoral circumflex artery (a branch of the profunda femoris artery). The posterior division then gives off the saphenous nerve as it converges with the femoral artery where it passes beneath the sartorius muscle. The saphenous nerve lies in front of the femoral artery, behind the aponeurotic covering of the adductor canal, as far as the opening in the lower part of the adductor magnus muscle. There it diverges from the artery, and emerges from behind the lower edge of the aponeurotic covering of the canal. It descends vertically along the medial side o ...
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