英语语法分析

Prognosis for ependymal cysts is excellent.

室管膜囊肿的预后是良好的。

Subarachnoid ependymal cysts are extremely rare.

蛛网膜下室管膜囊肿是非常少见的。

The research group has identified a type of stem cell, called an ependymal cell, in the spinal cord.

该研究组已经在脊髓中确认了一种名为室管膜的干细胞。