septum of sphenoidal sinus

例句：

1. 1. The septum divides the two sides of the brain.
   隔板将大脑的两侧分开。
2. 2.The surgeon used a scalpel to make a small incision in the septum.
   外科医生用一把小刀在隔板上做了一个小切口。
3. 3. The patient was given medication to help heal the wound and close the septum.
   患者被给予药物帮助愈合伤口并关闭隔板。