Their backs were battleship gray topped with a saw-toothed line of small yellow dorsal fins.
它们的背部是军舰的灰色，最上方是呈锯齿状的黄色背鳍。
2
Beneath the dorsal wall of it, a neuroglia cell cluster in a pyramidal form was often seen, extending dorsally along the median line.
在其背侧壁的室管膜下，常可见一锥形神经胶质细胞群，在背侧正中线上伸展。
3
All rats first line of subarachnoid catheter, then the equivalent of T8 vertebral level and marked with micro scissors cut the spinal cord dorsal 2/3 rat corticospinal tract transection injury model.