- A dictionary of medical eponyms

Zinn's zone

Related people

A system of fibres arising from the inner surface of the orbiculus ciliaris and that run in bundles between and in a very thin layer over the ciliary processes, holding the lens in place.

Zinn was not however, the original discoverer of this, as it had already been described by Matteo Realdo Colombo (1516-1559).


  • J. G. Zinn:
    Descriptio anatomica oculi humani. Göttingen, B. Abrami Vandenhoeck, 1755.
  • Pat Forbis and Susan L. Bartolucci:
    Stedman's Medical Eponyms.
    Lippincott Williams & Wilkins, Philadelphia, Pennsylvania, 1998.

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.