知识贝壳
知识贝壳
所属栏目：汉英神经内科
a branch ofbrachial plexus,arises from the fourth and fifth cervical nerves roots It pierces thescalenus medius,and then runs dorsally as well as caudalward accompanied by the accessory nerve to the anterior border of the levator scapulae and the deep sur ......（本文共 270 字 ） [阅读本文] >>