Ramus prelaminaris

例句：

1. 1. The patient's forehead was covered with a layer of dried blood.
   病人的前额被一层干血覆盖。
2. 2. The doctor examined the patient's forehead for any signs of infection.
   医生检查了病人的前额，以寻找任何感染的迹象。
3. 3. The scientist studied the structure of the human brain, particularly the prelaminaris.
   科学家研究了人类大脑的结构，特别是前额鳞状结构。