Ependymal cells
Ependymal Cells
Ependymal cells (/ɛˈpɛndɪməl/; from the Greek ependyma, meaning "upper garment") are a type of glial cell that line the ventricles of the brain and the central canal of the spinal cord.
Etymology
The term "ependymal" is derived from the Greek word ependyma, which means "upper garment". This is in reference to the cells' location lining the ventricles of the brain and the central canal of the spinal cord, much like an upper garment or cloak would line the body.
Function
Ependymal cells are responsible for the production and regulation of cerebrospinal fluid (CSF), which provides cushioning for the brain, removes waste products, and carries nutrients to neurons. They also serve as a barrier between the CSF and the nervous tissue, and play a role in directing the migration of neuroblasts during development.
Related Terms
- Glial cell: A type of cell in the nervous system that, among other things, provides support and protection for neurons.
- Ventricles: Cavities within the brain that produce cerebrospinal fluid.
- Spinal cord: The main pathway for information connecting the brain and peripheral nervous system.
- Cerebrospinal fluid (CSF): A clear, colorless body fluid found in the brain and spinal cord.
- Neuroblast: A dividing cell that will develop into a neuron.
See Also
External links
- Medical encyclopedia article on Ependymal cells
- Wikipedia's article - Ependymal cells
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