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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «L»:

  1. Leukemia, chronic phase of Leukemia, chronic phase of
    Leukemia, chronic phase of: A stage in which there are few blast cells in the blood or bone marrow, and few if any symptoms....
  2. Leukemia, hairy cell Leukemia, hairy cell
    Leukemia, hairy cell: See: Hairy cell leukemia....
  3. Leukemia, juvenile myelomonocytic leukemia Leukemia, juvenile myelomonocytic leukemia
    Leukemia, juvenile myelomonocytic leukemia: See: Juvenile myelomonocytic leukemia....
  4. Leukemia, lymphocytic Leukemia, lymphocytic
    Leukemia, lymphocytic: A form of leukemia that has a sudden onset, lymphocytic leukemia starts in the bone marrow but often spreads to the lymphatic and nervous system. With aggressive treatment, which may include chemotherapy, radiation, bone-marrow transplant, and/or biological therapy, the...
  5. Leukemia, myelogenous Leukemia, myelogenous
    ...
  6. Leukemia, refractory Leukemia, refractory
    Leukemia, refractory: Leukemia in which the high level of white blood cells is not decreasing in response to treatment....
  7. Leukemia, smoldering Leukemia, smoldering
    Leukemia, smoldering: A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This condition may progress and become acute leukemia. Smoldering leukemia also is called myelodysplastic syndrome or preleukemia....
  8. Leukemia, t(8;21) Leukemia, t(8;21)
    Leukemia, t(8;21): Leukemia with a translocation (an exchange of material) between chromosomes 8 and 21. Seen characteristically in acute myeloid leukemia (AML) -- acute nonlymphocytic leukemia (ANLL), usually the M2 type. The breakpoints permitting the translocation to occur are in chromosome bands...
  9. Leukemic reticuloendotheliosis Leukemic reticuloendotheliosis
    Leukemic reticuloendotheliosis: See: Hairy cell leukemia....
  10. Leukemoid reaction Leukemoid reaction
    Leukemoid reaction: A benign condition in which the high number of white blood cells found in a blood test resembles the numbers seen in leukemia. For example, infectious mononucleosis can return blood-test results with a leukemoid reaction....
  11. Leuko- Leuko-
    Leuko-: Prefix meaning white, as in leukocyte (white blood cell). Leuko- comes from the Greek "leukos" meaning white. Leuco- is an alternate spelling. Thus, a leukocyte = a leucocyte....
  12. Leukocoria Leukocoria
    Leukocoria: A white pupillary reflex. When one shines a bright light on the pupil, it normally appears red. In leukocoria, the light makes the pupil look white. This occurs with a number of eye diseases including congenital cataract and retinoblastoma (a malignancy of the retina)....
  13. Leukocyte count Leukocyte count
    Leukocyte count: A white blood cell (WBC) count. ...
  14. Leukocyte, granular Leukocyte, granular
    Leukocyte, granular: A type of white blood cell filled with microscopic granules (tiny sacs) containing enzymes that digest microorganisms. Granular leukocytes -- they are better known as granulocytes -- are part of the innate immune system and have somewhat non specific, broad-based activity. The...
  15. Leukocyte,eosinophilic Leukocyte,eosinophilic
    Leukocyte,eosinophilic: See: Eosinophil....