Ependymal cells

What it is

Ependymal cells are glial cells that line the fluid-filled ventricles of the brain and the central canal of the spinal cord, in contact with the cerebrospinal fluid. Ependymomas, a distinct glioma type, arise from these cells.

Understanding Ependymal cells

The brain has interconnected cavities (ventricles) and the spinal cord has a central canal, all filled with cerebrospinal fluid. Ependymal cells form the lining of these spaces and help regulate the fluid environment, including the movement and composition of cerebrospinal fluid. When ependymal cells form a tumor, the result is an ependymoma, which therefore tends to arise in or near these fluid spaces (such as the ventricles or the spinal canal). This location influences how ependymomas present and are treated. Understanding ependymal cells clarifies the origin of ependymomas and why they occur where they do. The behavior of an ependymoma depends on its specific type, location, grade, and molecular features. Understanding ependymal cells provides the cellular basis for ependymomas.

Why it matters

Understanding ependymal cells helps patients and families see the cells that line the brain's fluid spaces — clarifying the origin of ependymomas and why these tumors arise near the ventricles or spinal canal.