Medical dictionary. 2011.
Teratoma — Classification and external resources Micrograph of a teratoma showing tissue from all three germ layers: mesoderm (immature cartilage left upper corner of image), endoderm (gastrointestinal glands cente … Wikipedia
teratoma — A neoplasm composed of multiple tissues, including tissues not normally found in the organ in which it arises. Teratomas occur most frequently in the ovary, where they are usually benign and form dermoid cysts; in the testis, where they are… … Medical dictionary
teratoma — n. a tumour composed of a number of tissues that are not usually found at that site and are derived from all three embryonic germ layers. Teratomas most frequently occur in the testis and ovary, possibly derived from remnants of embryonic cells… … The new mediacal dictionary
Malignant transformation — In genetics, transformation is also used to describe the incorporation of foreign DNA by bacteria. Malignant transformation is the process by which cells acquire the properties of cancer. This may occur as a primary process in normal tissue, or… … Wikipedia
teratoma — noun /tɛrəˈtəʊmə/ A benign or malignant tumour, especially of the gonads, that arises from germ cells and consists of different types of tissue such as skin, hair, or muscle. ‘What is a teratoma?’ asked Jack, holding the object in his hand. ‘A… … Wiktionary
Teratoma, ovarian — Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically contains a diversity of tissues including hair, teeth, bone, thyroid, etc. A dermoid cyst develops from a totipotential germ cell (a… … Medical dictionary
teratoma — A type of germ cell tumor that may contain several different types of tissue, such as hair, muscle, and bone. Teratomas occur most often in the ovaries in women, the testicles in men, and the tailbone in children. Not all teratomas are malignant … English dictionary of cancer terms
Тератома (Teratoma) — опухоль, состоящая из различных тканей, включая те, которые в норме в этом органе не обнаруживаются. Чаще всего тератомы образуются в яичках и яичниках; существует предположение, что они развиваются из эмбриональных клеток и обладают способностью … Медицинские термины
immature teratoma — malignant t … Medical dictionary
solid teratoma — malignant t … Medical dictionary
