- A dictionary of medical eponyms

Pfeiffer's test

Related people

Animal test for bacteriolysis (demonstration of particular bacteria) by injecting bacteria and bacteriological serum into the abdominal cavity of guinea pigs (that have been actively of passively immunized). The test has mainly been used in cholera diagnostics.


  • R. F. J. Pfeiffer, August Paul von Wassermann (1866-1925):
    Untersuchungen über das Wesen der Choleraimmunität.
    Zeitschrift für Hygiene und Infektionskrankheiten, Leipzig, 1893, 14: 46-63.
  • R. F. J. Pfeiffer, V. I. Isayev:
    Über die specifische Bedeutung der Choleraimmunität. Zeitschrift für Hygiene und Infektionskrankheiten, Leipzig, 1894, 17: 355-400.

What is an eponym?

An eponym is a word derived from the name of a person, whether real or fictional. A medical eponym is thus any word related to medicine, whose name is derived from a person.

What is Whonamedit?

Whonamedit.com is a biographical dictionary of medical eponyms. It is our ambition to present a complete survey of all medical phenomena named for a person, with a biography of that person.


Whonamedit? does not give medical advice.
This survey of medical eponyms and the persons behind them is meant as a general interest site only. No information found here must under any circumstances be used for medical purposes, diagnostically, therapeutically or otherwise. If you, or anybody close to you, is affected, or believe to be affected, by any condition mentioned here: see a doctor.