单项选择题
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
A．hepatic vein B．renal vein C．left common iliac vein D．right testicular vein E．hepatic portal vein
A．prostatic portion of urethra B．membranous part of urethra C．where it crosses superior aperture of lesser pelvis D．where it pierces into the unrinary bladder E．internal urethral orifice