malignant transformation
1malignant transformation — n the transformation that a cell undergoes to become a rapidly dividing tumor producing cell also the transformation of a mass of cells or a tissue into a rapidly growing tumor <malignant transformation of certain warts> …
2Malignant 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… …
3Malignant — (from the Latin roots mal = bad and genus = born ) is a medical term used to describe a severe and progressively worsening disease. The term is most familiar as a description of cancer. A malignant tumor may be contrasted with a non cancerous… …
4Transformation — (root transform ) may refer to:Transformation is also referred to as a turn.In science: * Transformation (geometry), in mathematics, as a general term applies to mathematical functions. ** Data transformation (statistics) in statistics. *… …
5transformation — Any alteration in the properties of a cell that is stably inherited by its progeny. Classical example was the transformation of Diplococcus pneumoniae to virulence by DNA, achieved in 1944 by Avery, MacLeod & McCarty. Currently usually refers to… …
6Transformation (genetics) — An unrelated process called malignant transformation occurs in the progression of cancer. In molecular biology transformation is the genetic alteration of a cell resulting from the direct uptake, incorporation and expression of exogenous genetic… …
7transformation — 1. SYN: metamorphosis. 2. A change of one tissue into another, as cartilage into bone. 3. In metals, a change in phase and physical properties in the solid state caused by heat …
8malignant peripheral nerve sheath tumor — a malignant type of schwannoma whose appearance is superficially similar to that of a fibrosarcoma; it may occur in association with neurofibromatosis that is undergoing malignant transformation. Called also malignant schwannoma,… …
9malignant histiocytosis — a rare type of histiocytosis found accompanying malignancies such as acute myelogenous leukemia; it may be a malignant transformation of stem cells of the monocyte series. It usually affects children or young adults and has a poor prognosis …
10viral transformation — Malignant transformation of an animal cell in culture, induced by a virus …
