septum of musculotubal canal

例句：

1. 1. The septum is a thin membrane that separates the two chambers of the heart.
   隔膜是心脏的两个腔室之间的薄膜。
2. 2.The scientist used a microscope to observe the structure of the cell's septum.
   科学家用显微镜观察细胞的隔膜结构。
3. 3.The researchers found that the septum was responsible for controlling the flow of blood through the capillaries.
   研究人员发现隔膜负责控制血液通过毛细血管的流量。