From Citizendium, the Citizens' Compendium
- See also changes related to Lymphocyte, or pages that link to Lymphocyte or to this page or whose text .
- Leukocyte : Colourless cells of the immune system which defend the body against both infectious disease and foreign materials, and grouped into neutrophils, eosinophils, basophils, lymphocytes, and monocytes.
- Immunology : The study of all aspects of the immune system in all animals.
- B-lymphocyte : Add brief definition or description
- T-lymphocyte : Add brief definition or description
Control mechanisms and actions
- Antigen : A molecule that induces an immune response, such as bee pollen or proteins from viruses or bacteria.
- Autoimmunity : The failure of an organism to recognize its own constituent parts (down to the sub-molecular levels) as "self", which results in an immune response against its own cells and tissues.
- Basophil : A circulating leukocyte which, when sensitized to a specific antigen by means of an immunoglobulin E molecule bound to its surface, will release physiologically potent chemicals on recognizing that antigen
- Cytokines : The chemical messengers of the immune system, primarily but not exclusively carried in blood
- Complement (immunologic) : A sequence of normally inactive proteins, which, when activated by foreign proteins of bacteria and other microorganisms, produce protein variants that variously open holes in the cell wall of invaders, and also opsonize the foreign cells to make them "tasty" to attack cells that will destroy them with phagocytosis
- C-reactive protein : Globulin that appears in the blood in certain acute inflammatory conditions, such as rheumatic fever, bacterial infections, and neoplastic diseases.
- Immunoglobulin : Proteins produced by lymphocytes, which are primarily antibodies to attack material the body considers hostile, although some may act as cytokines, signaling to other cells
- Immunosuppressant : Exogenous or endogenous agent, capable of suppressing immune responses of the immune system.
- Opsonins : A family of proteins, generated by various immune mechanisms, which "tag" cells as targets for defensive digestion by cells that perform phagocytosis
- Phagocytosis : That part of immune response in which defensive cells such as neutrophils and macrophages surround and "digest" foreign particles
- Natural killer cell : Bone marrow-derived lymphocytes that possess cytotoxic properties, classically directed against transformed and virus-infected cells. Unlike T- and B-lymphocytes, they arenot antigen specific. The cytotoxicity of natural killer cells is determined by the collective signaling of an array of inhibitory and stimulatory cell surface receptors. T8-lymphocytes share some properties of these cells
- Macrophage : A type of leukocyte (i.e., white blood cells) that is associated with chronic inflammatory response. It digests foreign cells using the mechanism of phagocytosis, and both circulates in the blood, but later attaches to tissue as a part of local immune response.
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- Acute radiation syndrome : Disease or death caused by whole-body irradiation, over a short period of time, with a significant quantity of penetrating radiation
- Alemtuzumab : A antineoplastic agent, of the monoclonal antibody class, directed against the CDw52 antigen expressed by lymphocytes
- Anaphylaxis : An acute allergic reaction caused by exposure to an antigen to which the patient is hypersensitive.
- Antineoplastic agent : Drug that prevents the development, maturation, or spread of neoplastic cells.
- Asthma : Disease process that is characterised by paradoxical narrowing of the bronchi, making breathing difficult.
- Complete blood count : A basic set of counts and ratios of various blood cells, which can be both individually and jointly valuable in medical diagnosis
- Gold : Chemical element 79, symbol Au, a lustrous corrosion-resistant precious metal used for money, electronics and jewelry.
- Guillain-Barre syndrome : An acute, autoimmune, polyradiculoneuropathy affecting the peripheral nervous system.
- Helicobacter pylori : Gram-negative, urease-positive, microaerophilic bacterium that can inhabit various areas of the stomach and duodenum, and is strongly linked to the development of duodenal and gastric ulcers and stomach cancer.
- Imidacloprid : A chloronicotinyl insecticide that acts on the nicotinic acetylcholine receptor.
- Monoclonal antibody : Highly specific antibodies produced in large quantity by the clones of a single hybrid cell formed in the laboratory by the fusion of a B cell with a tumor cell.
- Multiple sclerosis : A chronic, inflammatory, demyelinating disease that affects the central nervous system (CNS).
- Myelodysplastic syndrome : Haematological conditions united by ineffective production of blood cells and varying risks of transformation to acute myelogenous leukaemia.
- Vaccine : "suspensions of killed or attenuated microorganisms (bacteria, viruses, fungi, protozoa, or rickettsiae), antigenic proteins derived from them, or synthetic constructs, administered for the prevention, amelioration, or treatment of infectious and other diseases."(National Library of Medicine)