cisternae subarachnoideales

例句：

1. 1. The patient's condition was complicated by the presence of subarachnoidal hemorrhage.
   患者的病情由于存在蛛网膜下腔出血而复杂。
2. 2.The pathologist performed a biopsy to determine if there were any subarachnoidal deposits in the brain.
   病理学家进行了一次活组织检查，以确定大脑中是否存在蛛网膜下腔沉积物。
3. 3.During surgery, the surgeon carefully removed the subarachnoidal tissue around the tumor.
   手术期间，外科医生小心地移除了肿瘤周围的蛛网膜下腔组织。