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teratoma
(redirected from malignant teratoma)

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.03 sec.
teratoma /ter·a·to·ma/ (ter?ah-to´mah) pl. terato´mata, teratomas   a true neoplasm made up of different types of tissue, none of which is native to the area in which it occurs; usually found in the ovary or testis.teratom´atous
malignant teratoma 
1. a solid, malignant ovarian tumor resembling a dermoid cyst but composed of immature embryonal and/or extraembryonal elements derived from all three germ layers.

ter·a·to·ma (tr-tm)
n. pl. ter·a·to·mas or ter·a·to·ma·ta (-m-t)
A tumor consisting of different types of tissue, as of skin, hair, and muscle, caused by the development of independent germ cells. Also called teratoblastoma, teratoid tumor.

tera·toma·tous (-tm-ts) adj.

teratoma (ter´tō´m),
n a tumor composed of cells capable of differentiating into any of the three primary germ layers. Teratomas in the ovary are usually benign dermoidal cysts; those in the testis are generally malignant.

teratoma
a true neoplasm made up of a number of different types of tissue, none of which is native to the area in which it occurs; usually found in the ovary or testis. See also dermoid cyst.

malignant teratoma
a solid, malignant ovarian tumor resembling a dermoid cyst but composed of immature embryonal or extraembryonal elements derived from all three germ layers.

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