| Swiss mouse leukaemia virus | A murine leukaemia virus producing leukaemia of the reticulum-cell type with massive infiltration of liver, spleen, and bone marrow. It infects dba/2 and swiss mice. (12 Dec 1998) |
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| T-cell leukaemia virus | human T-lymphotropic virus |
| embryonal leukaemia | A form of leukaemia in which the abnormal cells are thought to be the precursors of lymphoblasts, myeloblasts, or monoblasts. Synonym: embryonal leukaemia. (05 Mar 2000) |
| eosinophilic leukaemia | Eosinophilocytic leukaemia, a form of granulocytic leukaemia in which there are conspicuous numbers of eosinophilic granulocytes in the tissues and circulating blood, or in which such cells are predominant; in chronic disease of this type, the total white blood cell count may be as high as 200,000 to 250,000 per cu mm, with as many as 80 or 90% being eosinophils, chiefly adult forms. (05 Mar 2000) |
| feline leukaemia | A leukaemic disorder of cats caused by feline leukaemia virus, a member of the family Retroviridae, and characterised by depression and mild fever, and by the presence of tumours in the mediastinal and mesenteric lymph nodes, followed by multiple tumour formation throughout the body; during the terminal stages of the disease lymphoblasts may appear in the peripheral blood. (05 Mar 2000) |
| feline leukaemia-sarcoma virus complex | Viruses from cats that induce transmissible leukaemia or transmissible fibrosarcoma in kittens. (05 Mar 2000) |
| feline leukaemia virus | A retrovirus of the Oncornovirinae subfamily causing many proliferative (neoplastic) and degenerative (blastopenic) diseases in domestic cats, including lymphosarcoma, thymic atrophy, immune complex glomerulonephritis, foetal abortions and resorptions, and several myeloproliferative and myelodegenerative conditions; it also causes immunosuppression in infected cats. (05 Mar 2000) |
| Friend leukaemia virus | A murine leukaemia virus producing leukaemia of the reticulum-cell type with massive infiltration of liver, spleen, and bone marrow. It infects dba/2 and swiss mice. (12 Dec 1998) |
| Friend murine leukaemia virus | <virology> Murine leukaemia virus isolated by Charlotte Friend in 1956 whilst attempting to transmit the Erlich ascites tumour by cell free extracts. Causes an unusual erythroblastosis like leukaemia, in which anaemia is accompanied by large numbers of nucleated red cells in blood. does not carry a host derived oncogene, but seems to induce tumours by proviral insertion into specific regions of host genome. (18 Nov 1997) |
| leukaemia | <haematology> An acute or chronic disease of unknown cause in man and other warm blooded animals that involves the blood forming organs, is characterised by an abnormal increase in the number of leucocytes in the tissues of the body with or without a corresponding increase of those in the circulating blood and is classified according of the type leucocyte most prominently involved. (18 Nov 1997) |
| leukaemia, accelerated phase of | Refers to chronic myelogenous leukaemia that is progressing. The number of immature, abnormal white blood cells in the bone marrow and blood is higher than in the chronic phase, but not as high as in the blast phase. (12 Dec 1998) |
| leukaemia, calla-positive | Acute leukaemia in which lymphocytes are positive for the common acute lymphoblastic leukaemia antigen (calla). (12 Dec 1998) |
| leukaemia cutis | Yellow-brown, red, blue-red, or purple, sometimes nodular lesions associated with diffuse infiltration of leukaemic cells in the skin; the involvement may be diffuse and generalised, i.e., so-called universal leukaemia cutis, or it may be localised. (05 Mar 2000) |
| leukaemia, experimental | Leukaemia induced experimentally by administration of various leukemogenic agents, viruses, radiation or transplantation. (12 Dec 1998) |
| leukaemia, feline | A neoplastic disease of cats frequently associated with feline leukaemia virus infection. (12 Dec 1998) |