单词nerve cord
un.: 神经索
网络: 脑神经节藉著神经索；纵走神经索；神经干
神经索
The nervous system has cerebral ganglia which are linked to a double ventral nerve cord by a connecting ring.
神经系统有脑神经，它通过联接环与双股的腹神经索相连。
Thus, they neatly side-stepped the problem of explaining how the nerve cord got from the worm"s tummy to the vertebrate"s back.
如此说来，他们只是在逃避回答神经网是如何从蠕虫的腹部进而发展到了脊椎动物的背部。
In vertebrates the anterior end of the nerve cord expand to form a brain.
脊椎动物神经的前面扩大形成脑。
vertebrae surround nerve cord and serve as primary axial support;
脊椎包围神经索充当主要支撑轴；