ependyma

(ɪˈpɛndɪmə) n (Anatomy) the membrane lining the ventricles of the brain and the central canal of the spinal cord eˈpendymal adj

Thesaurus

Noun

ependyma - thin epithelial membrane lining the ventricles of the brain and the spinal cord canaltissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants

Translations

Ependyma

ependyma

[e′pen·də·mə] (histology) The layer of epithelial cells lining the cavities of the brain and spinal cord. Also known as ependymal layer.

Ependyma

cells in the brain of animals and man that perform demarcating, supportive, and secretory functions in the central nervous system; a form of neuroglia.

The ependyma separates from cells of the neural tube in early embryogenesis. Ependymal cells (ependymocytes) line the walls of the spinal canal and ventricles of the brain. They have elongated bodies with cilia at the free end. The cilia, which are lost in many parts of the brain after the individual is born, help the cerebrospinal fluid to circulate by their beating movements. A long, branched process extends from the opposite end of the ependymocyte into the brain. The ependyma of the walls of the third ventricle may promote the exchange of biologically active substances between neurons of the adjacent regions of the brain, cerebrospinal fluid, and blood vessels of the hypophyseoportal system.

ependyma

[ĕ-pen´dĭ-mah] the membrane lining the cerebral ventricles and the central canal of the spine. adj., adj epen´dymal.

e·pen·dy·ma

(ĕ-pen'di-mă), [TA] The cellular membrane lining the central canal of the spinal cord and the brain ventricles. Synonym(s): endyma [G. ependyma, an upper garment]

e·pen·dy·ma

(ĕ-pen'di-mă) [TA] The cellular membrane lining the central canal of the spinal cord and the brain ventricles. [G. ependyma, an upper garment]

EPENDYMA

ependyma

(ĕp-ĕn′dĭ-mă) [Gr. ependyma, an upper garment, wrap] The epithelial lining of the cerebral ventricles and the central canal of the spinal cord. The lining is composed of a single cell layer. Most of the cells have microvilli and motile cilia on their outer surface. See: illustrationependymal, adjective

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e·pen·dy·ma

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Words related to ependyma

noun thin epithelial membrane lining the ventricles of the brain and the spinal cord canal

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