precipitin

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Related to Precipitins: precipitin test, precipitin curve, precipitin reaction

pre·cip·i·tin

 (prĭ-sĭp′ĭ-tĭn)
n.
An antibody that reacts with a specific soluble antigen to produce a precipitate.

precipitin

(prɪˈsɪpɪtɪn)
n
(Biochemistry) immunol an antibody that causes precipitation when mixed with its specific antigen

pre•cip•i•tin

(prɪˈsɪp ɪ tɪn)

n.
an antibody that reacts with an antigen to form a precipitate.
[1895–1900]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.precipitin - an antibody that causes precipitation when it unites with its antigen
antibody - any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
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These comprise Total IgE (3500/annum), ~Specific Allergens (24,000 tests/annum utilising approx 100 of the most common individual allergens), Avian Precipitins (2000/annum) and Tryptase (500/annum).
The cps locus from the prototype serogroup D isolates deposited by Gordon and Murray in 1917 and Branham in 1928 also contained serogroup C-specific capsule genes; however, neither isolate gave precipitins with antiserum to serogroup C, suggesting that these isolates were unencapsulated (C.
17) Likewise, asymptomatic farmers may exhibit serum precipitins.