dysembryoma


teratoma

 [ter″ah-to´mah] a type of tumor" >germ cell tumor made up of a number of different types of tissue from one or more of the layers" >germ cell layers; it is usually found in the ovary or testis and may be either benign or malignant.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.