- 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 (q.v.).
Medical dictionary. 2011.
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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 test — noun any of several tests to measure a specific reaction between antigen and antibody which results in a visible precipitate … Wiktionary
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
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
ring test — n a test for antigens or antibodies in which a layer of diluted material suspected of containing antigen is placed over a column of known antiserum in a small test tube or a layer of diluted known antigen is placed over serum suspected of… … Medical dictionary
microprecipitation test — a precipitin test in which a minute quantity of the serum is employed … Medical dictionary
flocculation test — n any of various serological tests (as the Mazzini test for syphilis) in which a positive result depends on the combination of an antigen and antibody to produce a flocculent precipitate * * * any serologic test in which a flocculent agglomerate… … Medical dictionary
serologic test — a laboratory test involving seroreactions (precipitin reaction, agglutination, complement fixation, etc.), especially one measuring serum antibody titer … Medical dictionary
reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… … Medical dictionary