ependymoma

ependymoma /epen·dy·mo·ma/ (ĕ-pen″dĭ-mo´mah) a neoplasm, usually slow growing and benign, composed of differentiated ependymal cells.

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ep·en·dy·mo·ma (-pnd-mm)

n. pl. ep·en·dy·mo·mas or ep·en·dy·mo·ma·ta (-m-t)

A central nervous system neoplasm made up of relatively undifferentiated ependymal cells. Also called medulloepithelioma.

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ependymoma

[ipen′dimō′mə]

Etymology: Gk, ependyma, an upper garment, oma, tumor

a neoplasm composed of differentiated cells of the ependyma. The tumor, which is usually a benign pale, firm, encapsulated, somewhat nodular mass, commonly arises from the roof of the fourth ventricle and may extend to the spinal cord. Primary lesions may also develop in the spinal cord. Also called ependymocytoma.

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ependymoma

fleshy masses protruding into the third ventricles, the central canal in the medullary region or the central spinal canal; arise from the ependyma.

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ependymoma

Ependymal tumor Neurology An indolent ependymal cell–brain tumor, that arises in the walls of the ventricles–lateral, 3^rd, 4^th and central canal of the spinal cord. See Myxopapillary ependymoma.