lymphocyte transformation
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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,… … Medical dictionary
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
