choroid plexus of third ventricle

例句：

1. 1.The choroid plexus is responsible for filtering blood from the brain.
   脉络丛负责过滤大脑的血液。
2. 2.The choroid plexus is a structure in the brain that helps to regulate fluids.
   脉络丛是大脑中的一个结构，有助于调节液体。
3. 3. The choroid plexus plays a crucial role in the development of the fetus.
   脉络丛在胎儿发育中起着至关重要的作用。