spinal pia mater

例句：

1. 1.The spinal cord is the central nervous system's main component.
   脊髓是中枢神经系统的主要组成部分。
2. 2.The spinal cord controls the body's movement and sensation.
   脊髓控制着身体的动作和感觉。
3. 3.Spinal injuries can lead to paralysis or even death.
   脊髓损伤可能导致瘫痪甚至死亡。