/im'yeuh noh di fish"euhn see, i myooh'-/, n., pl. immunodeficiencies.
impairment of the immune response, predisposing to infection and certain malignancies.

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Defect in immunity that impairs the body's ability to resist infection.

The immune system may fail to function for many reasons. Immune disorders caused by a genetic defect are usually evident early in life. Others can be acquired at any age through infections (e.g., AIDS) or immunosuppression. Aspects of the immune response that may be affected include lymphocytes, other leukocytes, antibodies, and complement. Severe combined immunodeficiency (SCID), which arises from several different genetic defects, disrupts all of these. Depending on the cause, treatment for immunodeficiency may be administration of immunoglobulins, bone-marrow transplant, or therapy for the underlying disease.

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Universalium. 2010.

Look at other dictionaries:

  • immunodeficiency — 1969, from comb. form of IMMUNE (Cf. immune) + DEFICIENCY (Cf. deficiency) …   Etymology dictionary

  • immunodeficiency — ► NOUN ▪ reduced ability of the immune system to protect the body from infection …   English terms dictionary

  • immunodeficiency — [im΄yə nō′dē fish′ən sē, i′myo͞o΄nōdē fish′ən sē] n. a condition in which the ability of the immune system to produce antibodies is impaired …   English World dictionary

  • Immunodeficiency — Infobox Disease Name = Immunodeficiency Caption = DiseasesDB = 21506 ICD10 = ICD10|D|84|9|d|80 ICD9 = ICD9|279.3 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D007153 In medicine, immunodeficiency (or immune deficiency) is …   Wikipedia

  • immunodeficiency — A condition resulting from a defective immune mechanism; may be primary (due to a defect in the immune mechanism itself) or secondary (dependent upon another disease process), specific (due to a defect in either the B lymphocyte or the T… …   Medical dictionary

  • immunodeficiency — n. deficiency in the immune response. This can be acquired, as in AIDS, but there are many varieties of primary immunodeficiency occurring as inherited disorders characterized by hypogammaglobulinaemia or defects in T cell function, or both …   The new mediacal dictionary

  • immunodeficiency — noun Date: 1969 inability to produce a normal complement of antibodies or immunologically sensitized T cells especially in response to specific antigens • immunodeficient adjective …   New Collegiate Dictionary

  • immunodeficiency — (im u no dē fish en se; pl., immunodeficiencies) The inability to produce a normal complement of antibodies or immunologically sensitized T cells in response to specific antigens …   Dictionary of microbiology

  • immunodeficiency — noun /ɪˌmjuːnəʊdɪˈfɪʃənsi/ A depletion in the bodys natural immune system, or in some component of it …   Wiktionary

  • immunodeficiency — im|mu|no|de|fi|cien|cy [ ,ımjənoudı fıʃnsi ] noun uncount a medical condition in which your body does not have the normal defenses against diseases …   Usage of the words and phrases in modern English

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