The antibody responsible for a precipitation reaction.

Microbiology. . 2009.

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  • precipitin — [prē sip′ə tin, prisip′ə tin] n. [ PRECIPIT(ATE) + IN1] an antibody produced in the blood of an animal injected with a soluble antigen: when the antigen is added to blood serum from such an animal, a precipitate forms …   English World dictionary

  • Precipitin — A precipitin is an antibody which can precipitate out of a solution. The Precipitin Reaction The precipitin reaction provided the first quantitative assay for antibody but is now made redundant by current technology and diagnostic techniques such …   Wikipedia

  • precipitin — Any antibody that forms a precipitating complex (a precipitin line) with an appropriate multivalent antigen. The term is now outmoded …   Dictionary of molecular biology

  • precipitin — An antibody that under suitable conditions combines with and causes its specific and soluble antigen to precipitate from solution. SYN: precipitating antibody. * * * pre·cip·i·tin pri sip ət ən n any of various antibodies which form insoluble… …   Medical dictionary

  • precipitin — n. any antibody that combines with its antigen to form a complex that comes out of solution and is seen as a precipitate. The antibody antigen reaction is specific; the precipitin reaction is therefore a useful means of confirming the identity of …   The new mediacal dictionary

  • precipitin — noun Etymology: International Scientific Vocabulary, from precipitate Date: 1900 an antibody that forms a precipitate when it unites with its antigen …   New Collegiate Dictionary

  • precipitin — n. [L. praeceps, head long] A specific antibody developed in response to foreign protein in the blood …   Dictionary of invertebrate zoology

  • precipitin — /pri sip i tin/, n. Immunol. an antibody that reacts with its specific antigen to form an insoluble precipitate. [1895 1900; PRECIPIT(ATE) + IN2] * * * …   Universalium

  • precipitin — noun any antibody which reacts with an antigen to form a precipitate …   Wiktionary

  • precipitin —    An antibody produced in the blood serum by inoculation with foreign protein and capable of providing immunity against specific bacteria …   Forensic science glossary

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