precipitin

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precipitin

[prə′sip·ə·tən]
(immunology)
An antibody that chemically interacts with an antigen to form a precipitate.
References in periodicals archive ?
Anti-egg precipitins in the serum of humans infected with Schistosoma mansoni.
In fact, our patient showed definite positive precipitins to cockatiel antigen, as well as a definite positive reaction to pigeon sera and very weakly positive precipitin reactions to droppings extracts of pigeons, canaries, and parakeets.
Anti-antiserum antibody as a cause of double precipitin rings in immunoglobulin quantitation and its relation to milk precipitins.
Serum precipitins to a standard commercial antigen panel (including bacteria, fungi, and avian proteins that have been associated with HP in other settings) were negative in the two workers who were tested.
Evaluations of two of the infants for allergies to cow's milk protein through quantification of milk precipitins were negative.