The direct periosteal branch of femoral artery stemmed from the femoral artery about 1/3 connection of the middle and distal femur, slanted toward inferiolateral distributing to anterior side of the distal femur.

• 股动脉直接骨膜支约在股骨中下1/3交界处，发自股动脉，斜向外下行分布于股骨下段前面。