• synonyms


[mez-uh-blast, mes-, mee-zuh-, -suh-]
noun Embryology.
  1. the mesoderm.
  2. the primordial middle layer of a young embryo before the segregation of the germ layers, capable of becoming the mesoderm.
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Origin of mesoblast

First recorded in 1855–60; meso- + -blast
Related formsmes·o·blas·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for mesoblast


  1. another name for mesoderm
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Derived Formsmesoblastic, adjective
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

mesoblast in Medicine


  1. The middle germinal layer of an early embryo, consisting of undifferentiated cells destined to become the mesoderm.
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Related formsmes′o•blastic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.