cortical layer

例句：

1. 1. The corticallayer of the brain is responsiblefor processing sensory information.
   大脑的皮质层负责处理感觉信息。
2. 2. Thecortical layer of theskin is where nerve endingsare concentrated.
   皮肤的皮质层是神经末梢集中的地方。
3. 3. Thecortical layer of theskull is thinner than thebone beneath it.
   颅骨的皮质层比下面的骨质要薄。