lymphocyte transformation

lymphocyte transformation
lymphocyte transformation n a transformation caused in lymphocytes by a mitosis-inducing agent (as phytohemagglutinin) or by a second exposure to an antigen and characterized by an increase in size and in the amount of cytoplasm, by visibility of nucleoli in the nucleus, and after about 72 hours by a marked resemblance to blast cells

Medical dictionary. 2011.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • lymphocyte transformation — See lymphocyte activation …   Dictionary of molecular biology

  • lymphocyte activation — (= lymphocyte transformation) The change in morphology and behaviour of lymphocytes exposed to a mitogen or to an antigen to which they have been primed. The result is the production of lymphoblasts, cells that are actively engaged in protein… …   Dictionary of molecular biology

  • transformation — 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 …   Medical dictionary

  • blast transformation — lymphocyte transformation the morphologic changes accompanying lymphocyte activation, in which small, resting lymphocytes are transformed into large, active lymphocytes (lymphoblasts) …   Medical dictionary

  • lymphocyte — A white blood cell formed in lymphatic tissue throughout the body ( e.g., lymph node s, spleen, thymus, tonsils, Peyer patches, and sometimes in bone marrow) and in …   Medical dictionary

  • lymphocyte mitogenic factor — (LMF), lymphocyte transforming factor (LTF) a nondialyzable heat stable macromolecule, mol. wt. approximately 20,000–30,000, released by lymphocytes stimulated by specific antigen, that causes nonstimulated lymphocytes to undergo blast… …   Medical dictionary

  • Nodular lymphocyte predominant Hodgkin's lymphoma — Classification and external resources Micrograph of a lymph node biopsy showi …   Wikipedia

  • MELISA — A MELISA (Memory Lymphocyte Immunostimulation Assay) test is a blood test that detects Type IV allergy to metals, chemicals, environmental toxins and molds from one single blood sample. It can also identify active Lyme disease (Lyme Borreliosis) …   Wikipedia

  • Lymphozyten-Transformationstest — Der Lymphozytentransformationstest (LTT) ist ein Laborverfahren zum Nachweis antigen spezifischer T Lymphozyten. Er findet seine Anwendung in der Immunfunktionsdiagnostik der Medizin. Seit wenigen Jahren wird er auch in der Allergologie zum… …   Deutsch Wikipedia

  • Lymphozytentransformationstest — Der Lymphozytentransformationstest (LTT) ist ein Laborverfahren zum Nachweis antigen spezifischer T Lymphozyten. Er findet seine Anwendung in der Immunfunktionsdiagnostik der Medizin. Seit wenigen Jahren wird er auch in der Allergologie zum… …   Deutsch Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”