EPENDYMA Meaning and
Definition
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Ependyma is a noun that refers to a thin layer of specialized cells that line the ventricles of the brain and the central canal of the spinal cord. It acts as a protective and supportive barrier surrounding these fluid-filled spaces within the central nervous system.
The ependymal cells that compose the ependyma have a distinct shape, with cilia or microvilli projecting from their surface. These structures enhance the movement and circulation of cerebrospinal fluid within the ventricles. Additionally, ependymal cells possess tight junctions, which create a barrier that regulates the passage of substances between the cerebrospinal fluid and the surrounding brain tissue. This barrier helps maintain the proper balance of ions, nutrients, and waste products within the central nervous system.
The ependyma serves multiple functions essential for the normal functioning of the brain and spinal cord. It helps form the blood-brain barrier, protecting the brain from harmful substances and pathogens. It also facilitates the production and circulation of cerebrospinal fluid, which acts as a cushion, keeps the brain buoyant, and helps in the removal of waste products. Furthermore, the ependyma plays a role in neurogenesis and the repair of damaged neural tissue by providing support and nutrients to neural stem cells.
In summary, ependyma is a specialized layer of cells that line the ventricles of the brain and the central canal of the spinal cord. It provides crucial functions for the proper functioning and protection of the central nervous system.
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The membrane lining the central canal of the spinal cord and the central ventricles.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for EPENDYMA
- wpendyma
- spendyma
- dpendyma
- rpendyma
- 4pendyma
- 3pendyma
- eoendyma
- elendyma
- e-endyma
- e0endyma
- epwndyma
- epsndyma
- epdndyma
- eprndyma
- ep4ndyma
- ep3ndyma
- epebdyma
- epemdyma
- epejdyma
Etymology of EPENDYMA
The word "ependyma" is derived from the Greek word "ependyma" (ἐπένδυμα), which means "a covering" or "vestment". This Greek term comes from the verb "ependuo" (ἐπενδύω), which means "to put on" or "to cover". In medical terminology, "ependyma" refers to the thin membrane lining the ventricles of the brain and the central canal of the spinal cord.
Similar spelling words for EPENDYMA
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