cortices

例句：

1. 1. The surgeon removed the cortices of the brain to relieve pressure.
   外科医生切除了大脑的硬脑膜以减轻压力。
2. 2. The patient's condition worsened as the cortices were damaged.
   患者的病情恶化，因为硬脑膜受损。
3. 3. The doctors performed a craniotomy to remove the cortices for further examination.
   医生们进行了开颅手术，取出硬脑膜以便进一步检查。