Treponema pallidum immobilization test


n.

A test for syphilis in which an antibody other than Wassermann antibody is present in the serum of a syphilitic patient; in the presence of complement, the patient's serum causes the immobilization of actively motile Treponema pallidum obtained from testes of a rabbit infected with syphilis.TPI test

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.