单项选择题

Which nerve does come from lumbar plexus （）.

A．sciatic nerve
B．inferior gluteal nerve
C．obturator nerve
D．pudendal nerve
E．median nerve

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热门试题

单项选择题

The following veins are the tributaries of inferior vena caval, EXCEPT （）.

A．hepatic vein
B．renal vein
C．left common iliac vein
D．right testicular vein
E．hepatic portal vein

单项选择题

The second constriction of ureter lies at （）.

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