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Ependymal cells

Recommended video: Spinal cord histology [28:30]
Histology of the spinal cord.

Ependymal cells are mostly known as a specialized type of epithelial tissue. They are indispensable components of the central nervous system (CNS) and originate from neuroepithelial cells of the neural plate.

Ependymal cells are found lining the central canal of the spinal cord and  ventricles of the brain.

The choroid plexus is formed by vascularized invaginations of this neuroepithelium and is lined luminally by the ependymal cells, also known as the ependyma.

Functionally, ependymal cells are responsible for maintaining homeostasis in the brain, producing cerebrospinal fluid (CSF) and forming the blood–CSF barrier through tight junctions between the choroid ependymal cells. These cells regulate the passage of molecules between the underlying capillaries and cerebrospinal fluid.

Terminology English: Ependymal cells
Synonym: Cuboidal ependymal cells

Latin
: Ependymocyti
Synonym: Ependymocyti cuboidei
Definition Ependymal cells, a specialized type of neuroepithelial tissue, are found lining the central canal of the spinal cord and cerebral ventricles.

Learn more about the lining of the spinal cord in the following study unit:

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