obturator canals造句

• It arches beneath the obturator vessels and nerve, completing the obturator canal, and at the front of the pelvis is attached to the back of the pubis.
• Its fibers are arranged in interlacing bundles mainly transverse in direction; the uppermost bundle is attached to the obturator tubercles and completes the obturator canal for the passage of the obturator vessels and nerve.
• Here it enters the thigh, through the obturator canal, and divides into an anterior and a posterior branch, which are separated at first by some of the fibers of the obturator externus, and lower down by the adductor brevis.
• The obturator nerve ( L2-L4 ) passes medially behind psoas major to exit the pelvis through the obturator canal, after which it gives off branches to quadriceps; and sensory branches to the anterior thigh, medial lower leg, and posterior foot.