| E classification | <biochemistry> Classification of enzymes based on the recommendations of the Committee on Enzyme Nomenclature of the International Union of Biochemistry. The first number indicates the broad type of enzyme (1 = oxidoreductase, 2 = transferase, 3 = hydrolase, 4 = lyase, 5 = isomerase, 6 = ligase (synthetase)). The second and third numbers indicate subsidiary groupings and the last number, which is unique, is assigned arbitrarily in numerical order by the Committee. (08 Mar 2000) |
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| TNM classification | TNM classification provides a system for staging the occurrence of cancer., T refers to the primary tumour and is categorised as being 1-4 and a-d depending upon site, size and spread, N refers to the lymph nodes and they are categorised as being X,0, 1, 2, or 3 depending upon if any, some or all are involved metastasis, and M to the presence or absence of distant metasteses. Refer Staging. (16 Dec 1997) |
| Jansky's classification | The classification of human blood groups now designated O, A, B, and AB. (05 Mar 2000) |
| FAB classification | <haematology> The classification of acute myeloid leukaemia on the basis of bone marrow and peripheral blood features. M0: Acute myeloid leukaemia with minimal evidence of myeloid differentiation. M1: Acute myeloblastic leukaemia. M2: Acute myeloblastic leukaemia with differentiation. M3: Acute promyelocytic leukaemia. M4: Acute myelomonocytic leukaemia. M5: Acute monocytic leukaemia. M6: Acute erythroleukaemia. M7: Acute megakaryocytic leukaemia. Acronym: FAB (07 Apr 1998) |
| Kennedy classification | <dentistry> A listing of several forms of partially edentulous jaws in accordance with the distribution of the missing teeth. (05 Mar 2000) |
| Kiel classification | Classification of non-Hodgkin's lymphoma into low-grade malignancy (lymphocytic, lymphoplasmacytoid, centrocytic, and centroblastic-centrocytic types) and high-grade malignancy (centroblastic, lymphoblastic of Burkitt's or convoluted cell, and immunoblastic types). Synonym: Lennert classification. (05 Mar 2000) |
| Lancefield classification | A serologic classification dividing haemolytic streptococci into groups (A to O) which bear a definite relationship to their sources, based upon precipitation tests depending upon group-specific substances that are carbohydrate in nature; e.g., Group A contains strains pathogenic for man; B, strains from mastitis in cows and from normal milk, including a few strains from the human throat and vagina; C, strains from various lower animals, including a number from cattle; D, strains from cheese; E, strains from certified milk; F, strains mainly from the human throat, associated with tonsillitis; G, strains from man, a few from monkeys and dogs; and H, K, and O, nonpathogenic strains from normal human respiratory tracts. (05 Mar 2000) |
| French-American-British classification | <haematology> The classification of acute myeloid leukaemia on the basis of bone marrow and peripheral blood features. M0: Acute myeloid leukaemia with minimal evidence of myeloid differentiation. M1: Acute myeloblastic leukaemia. M2: Acute myeloblastic leukaemia with differentiation. M3: Acute promyelocytic leukaemia. M4: Acute myelomonocytic leukaemia. M5: Acute monocytic leukaemia. M6: Acute erythroleukaemia. M7: Acute megakaryocytic leukaemia. Acronym: FAB (07 Apr 1998) |
| Lennert classification | Classification of non-Hodgkin's lymphoma into low-grade malignancy (lymphocytic, lymphoplasmacytoid, centrocytic, and centroblastic-centrocytic types) and high-grade malignancy (centroblastic, lymphoblastic of Burkitt's or convoluted cell, and immunoblastic types). Synonym: Lennert classification. (05 Mar 2000) |
| Lukes-Collins classification | A classification of lymphomas according to the immunologic nature of the cell of origin, based on histologic and clinical data. (05 Mar 2000) |
| aaa disease | Endemic anaemia of ancient Egypt, ascribed in the Papyrus Ebers to intestinal infestation with ancylostoma; now called ancylostomiasis. (05 Mar 2000) |
| ABO haemolytic disease of the newborn | Erythroblastosis foetalis due to maternal-foetal incompatibility with respect to an antigen of the ABO blood group; the foetus possesses A or B antigen which is lacking in the mother, and the mother produces immune antibody which causes haemolysis of foetal erythrocytes. (05 Mar 2000) |
| accumulation disease | A disease characterised by abnormal accumulation of a metabolic product in certain cells and tissues; examples include the mucopolysaccharidoses, lipoidoses. (05 Mar 2000) |
| Acosta's disease | A condition that results from prolonged exposure to high altitude. Symptoms include a continuous dry cough, shortness of breath, poor exercise tolerance, dizziness, headache, sleep difficulty, anorexia, confusion, fatigue and a rapid pulse. Treatment includes the immediate movement to a lower altitude. Prophylaxis has been accomplished successfully with the use of acetazolamide (Diamox). (27 Sep 1997) |
| acquired immunodeficiency disease | Acquired immunodeficiency disease: Disease caused by infection with the human immunodeficiency virus (HIV). (12 Dec 1998) |