• synonyms


[mez-uh-durm, mes-, mee-zuh-, -suh-]
noun Embryology.
  1. the middle germ layer of a metazoan embryo.
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Origin of mesoderm

First recorded in 1870–75; meso- + -derm
Related formsmes·o·der·mal, mes·o·der·mic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for mesodermic

Historical Examples

  • This mesodermic epithelium lining the cœlom is called the mesothelium.

    The Anatomy of the Human Peritoneum and Abdominal Cavity

    George. S. Huntington

  • Even when the cavity is developed in these inferior animals, the digestive functions are fulfilled by the mesodermic cells.

  • Now, the original lens was built out of the ectoderm, while the iris is of mesodermic origin.

    Creative Evolution

    Henri Bergson

British Dictionary definitions for mesodermic


  1. the middle germ layer of an animal embryo, giving rise to muscle, blood, bone, connective tissue, etcSee also ectoderm, endoderm
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Derived Formsmesodermal or mesodermic, 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

Word Origin and History for mesodermic



1858, from French mésoderme or German Mesoderm, literally "middle skin," coined by German physician Robert Remak (1815-1865) from meso- + Greek derma (see -derm).

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Online Etymology Dictionary, © 2010 Douglas Harper

mesodermic in Medicine


  1. The middle embryonic germ layer, lying between the ectoderm and the endoderm, from which connective tissue, muscle, bone, and the urogenital and circulatory systems develop.
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Related formsmes′o•dermic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

mesodermic in Science


  1. The middle of the three primary germ layers of the embryos of vertebrates and other complex animals. In vertebrates, the mesoderm gives rise to the muscles, bones, cartilage, connective tissue, blood, blood and lymph vessels, dermis, kidneys, and gonads. The mesoderm develops during gastrulation from either the ectoderm or the endoderm. The embryos of simpler animals lack a mesoderm. Compare ectoderm endoderm.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.