Definitions

1. noun

A layer of epithelial cells that covers the spinal cord and brain, forming the inner surface of the meninges.

“The ependyma helps to cushion the central nervous system and facilitate the flow of cerebrospinal fluid.”

2. noun

A layer of epithelial cells that lines the central canal of the spinal cord.

“The ependyma in the spinal cord plays a crucial role in maintaining the homeostasis of the central nervous system.”