Immunoglobulin A
A major class of immunoglobulins found in serum and external body secretions such as saliva, tears, and sweat as well as in the gastrointestinal, respiratory, and genitourinary tracts. Abbreviated IgA.

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immunoglobulin A n IGA

Medical dictionary. 2011.

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  • 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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