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 — 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 reaction — n the specific reaction of a precipitin with its antigen to give an insoluble precipitate * * * the formation of an insoluble precipitate by reaction of antigen and antibody; it occurs only with multivalent antigens and is dependent on… … Medical dictionary
precipitin test — n a serological test using a precipitin reaction to detect the presence of a specific antigen specif a test used in criminology for determining the human or other source of a blood stain * * * any serologic test based on a precipitin reaction… … Medical dictionary
precipitin test — noun : a serologic test using a precipitin reaction to detect the presence of a specific antigen; specifically : a criminological test determining the human or other source of a blood stain show by a precipitin test that this is dog blood Erle… … Useful english dictionary
precipitin reaction — noun : the specific reaction of a precipitin with its antigen to give an insoluble precipitate … Useful english 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
