precipitin
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Related to precipitin: precipitin test
precipitin
[pre-sip´ĭ-tin]an antibody to antigen that specifically aggregates the antigen in vivo or in vitro to give a visible precipitate.
precipitin reaction a reaction involving the specific serologic precipitation of an antigen in solution with its specific antiserum in the presence of electrolytes. The reaction is used in the typing of pneumococcus strains, in testing whether blood is human or animal, and for diagnostic purposes.
precipitin test any test in which the positive reaction consists of the formation and deposit of a precipitate in the fluid being tested. See also precipitin reaction.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
pre·cip·i·tin
(prē-sip'i-tin),An antibody that under suitable conditions combines with and causes its specific and soluble antigen to precipitate from solution.
Synonym(s): precipitating antibody
Farlex Partner Medical Dictionary © Farlex 2012
precipitin
(prĭ-sĭp′ĭ-tĭn)n.
An antibody that reacts with a specific soluble antigen to produce a precipitate.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
pre·cip·i·tin
(prĕ-sip'i-tin)An antibody that under suitable conditions combines with and causes its specific and soluble antigen to precipitate from solution.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
precipitin
see ANTIBODY.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
Precipitin
An antibody in blood that combines with an antigen to form a solid that separates from the rest of the blood.
Mentioned in: Allergic Bronchopulmonary Aspergillosis
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.