单项选择题
A.is a branch of the femoral a. B.begins at level of the lower border of the popliteus C.passes through the adduct canal. D.accompanies the tibial nerve. E.is palpable in the foot.
A.the gracilis muscle B.the tibialis anterior muscle C.the adductor longus D.the skin on the medial side of leg and foot E.the skin of the lateral side of leg and foot
A.superior gluteal artery. B.sciatic nerve. C.posterior femoral cutaneous nerve. D.pudendal nerve. E.internal pudendal vein and artery.