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mesomere

[mez-uh-meer, mes-, mee-zuh-, -suh-]
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noun Embryology.
  1. a blastomere of intermediate size between a micromere and a macromere.
  2. the intermediate zone of the mesoderm.
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Origin of mesomere

First recorded in 1900–05; meso- + -mere
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

mesomere in Medicine

mesomere

(mĕzə-mîr′)
n.
  1. A blastomere of intermediate size that is larger than a micromere but smaller than a macromere.
  2. The middle zone of the mesoderm of a chordate embryo, from which excretory tissue develops.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.