- A dictionary of medical eponyms


Related people

A fatal rickettsial disease of cattle, sheep, and goats and some wild ruminants in sub-Saharan Africa and on certain islands in the Indian Ocean. It is marked by fluid accumulation in the pleura, pericardium, and pleural cavity. It is caused by Cowdria ruminantium.


  • E. V. Cowdry:
    Studies on the etiology of heartwater I. Observation of a rickettsia, Rickettsia ruminantium (n. sp.), in the tissues of infected animals.
    The Journal of Experimental Medicine, 1925, 42 (2): 231-252.
  • Studies on the etiology of heartwater II. Rickettsia ruminantium (n. sp.) in the tissues of ticks transmitting the disease. <(i>
    The Journal of Experimental Medicine, 1925, 42: 253-274. Studies on the etiology of heartwater III. The multiplication of Rickettsia ruminantium within the endothelial cells of infected animals and their discharge into the circulation.
    The Journal of Experimental Medicine, 1926, 44: 803-814.

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.