Medical Dictionary

Frei test

noun \ˈfrī-\

Medical Definition of FREI TEST

:  a serological test for the identification of lymphogranuloma venereum—called also Frei skin test

Biographical Note for FREI TEST

Frei, Wilhelm Siegmund (1885–1943), German dermatologist. Frei did research in allergic diseases of the skin and experimental syphilis. He described lymphogranuloma venereum and introduced a specific cutaneous diagnostic test for it in 1925.


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