- Medicine/Medical. the separation of normally joined parts, as in the dislocation of bones, without fracture.
- Physiology. the diastolic rest period immediately preceding systole.
Origin of diastasis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the separation of an epiphysis from the long bone to which it is normally attached without fracture of the bone
- the separation of any two parts normally joined
- physiol the last part of the diastolic phase of the heartbeat
C18: New Latin, from Greek: a separation, from diistanai to separate, from dia- + histanai to place, make stand
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
- Separation of normally joined parts, such as the separation of certain abdominal muscles during pregnancy.divarication
- The last stage of diastole in the heart, occurring just before contraction and during which little additional blood enters the ventricle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.