At each interval, they counted cells that were dividing in the ependymal layer. 每次检测,他们对室管膜层的细胞计数。
Here is an ependymoma arising from the ependymal lining of the fourth ventricle above the brainstem and bulging toward the cerebellum. 发生在脑干之上第四脑室室管膜的室管膜瘤。