immunoglobulin


immunoglobulin
/im'yeuh noh glob"yeuh lin, i myooh'-/, n.
1. any of several classes of structurally related proteins that function as antibodies or receptors and are found in plasma and other body fluids and in the membrane of certain cells. Cf. IgA, IgD, IgE, IgG, and IgM.
2. the fraction of the blood serum containing antibodies.
3. an antibody. Abbr.: Ig
[1955-60; IMMUNO- + GLOBULIN]

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Universalium. 2010.

Look at other dictionaries:

  • Immunoglobulin A — (IgA) is an antibody playing a critical role in mucosal immunity. More IgA is produced in mucosal linings than all other types of antibody combined. [cite journal |author=S Fagarasan and T Honjo |title=Intestinal IgA Synthesis: Regulation of… …   Wikipedia

  • immunoglobulin — im mu*no*glob ulin ([i^]m m[ u]*n[ o]*gl[o^]b [ u]*l[i^]n) n. (1953) any one of a class of globular proteins which are antibodies and are produced by the immune system in animals. Note: The immunoglobulins form a series of related proteins which… …   The Collaborative International Dictionary of English

  • immunoglobulin A — immunoglobulin im mu*no*glob ulin ([i^]m m[ u]*n[ o]*gl[o^]b [ u]*l[i^]n) n. (1953) any one of a class of globular proteins which are antibodies and are produced by the immune system in animals. Note: The immunoglobulins form a series of related… …   The Collaborative International Dictionary of English

  • immunoglobulin D — immunoglobulin im mu*no*glob ulin ([i^]m m[ u]*n[ o]*gl[o^]b [ u]*l[i^]n) n. (1953) any one of a class of globular proteins which are antibodies and are produced by the immune system in animals. Note: The immunoglobulins form a series of related… …   The Collaborative International Dictionary of English

  • immunoglobulin G — immunoglobulin im mu*no*glob ulin ([i^]m m[ u]*n[ o]*gl[o^]b [ u]*l[i^]n) n. (1953) any one of a class of globular proteins which are antibodies and are produced by the immune system in animals. Note: The immunoglobulins form a series of related… …   The Collaborative International Dictionary of English

  • immunoglobulin M — immunoglobulin im mu*no*glob ulin ([i^]m m[ u]*n[ o]*gl[o^]b [ u]*l[i^]n) n. (1953) any one of a class of globular proteins which are antibodies and are produced by the immune system in animals. Note: The immunoglobulins form a series of related… …   The Collaborative International Dictionary of English

  • Immunoglobulin M — Immunoglobulin M, or IgM for short, is a basic antibody that is present on B cells. It is the primary antibody against A and B antigens on red blood cells. IgM is by far the physically largest antibody in the human circulatory system. tructure… …   Wikipedia

  • Immunoglobulin G — (IgG) is a monomeric immunoglobulin, built of two heavy chains γ and two light chains. Each IgG has two antigen binding sites. It is the most abundant immunoglobulin and is approximately equally distributed in blood and in tissue liquids,… …   Wikipedia

  • Immunoglobulin D — (IgD) is an antibody isotype that makes up about 1% of proteins in the plasma membranes of immature B lymphocytes where it is usually coexpressed with another cell surface antibody called IgM. IgD is also produced in a secreted form that is found …   Wikipedia

  • immunoglobulin — immunoglobulin. См. иммуноглобулин. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • immunoglobulin D — n IGD …   Medical dictionary


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