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noun, plural rhex·es [rek-seez] /ˈrɛk siz/. Pathology.
  1. rupture, as of a blood vessel, organ, or cell.

Origin of rhexis

1375–1425; < New Latin < Greek rhêxis a breaking, cleft, derivative of rhēgnýnai to break, break loose; replacing late Middle English rixis (attested once) ≪ Greek, as above
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rhexis

Historical Examples

  • It is supposed that in many such cases the hemorrhage is due to diapedesis, and not to rupture of a blood-vessel (rhexis).

    A System of Practical Medicine By American Authors, Vol. II


  • In these cases hemorrhage by rhexis is altogether more probable even when ruptured vessels cannot be demonstrated.

British Dictionary definitions for rhexis


  1. med the rupture of an organ or blood vessel

Word Origin

C17: from Greek rhēxis a bursting
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rhexis in Medicine


([object Object])
n. pl. rhex•es (rĕksēz)
  1. Bursting or rupture of an organ or vessel.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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