immunoprecipitation

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immunoprecipitation

 [im″u-no-pre-sip″ĭ-ta´shun]
precipitation resulting from interaction of specific antibody and antigen.

im·mu·no·pre·cip·i·ta·tion

(im'yū-nō-prē-sip'i-tā'shŭn),
The phenomenon of aggregation of sensitized antigen on addition of specific antibody (precipitin) to antigen in solution.