单项选择题
A.femoral n. B.tibial n. C.common peroneal n. D.obturator n. E.pudendal n.
A.anterior tibial a. B.femoral a. C.politeal a. D.profunda femoris artery E.peroneal a.
A.have transverse foramen B.have costal fovea on the vertebral body laterally C.the articular facets are relatively sagittal D.the end of the spinous process bifurcated E.the vertebral foramen is larger and triangular