mesoderm [ mez- uh-durm, mes-, mee-z uh-, -s uh- ] SHOW IPA / ˈmɛz əˌdɜrm, ˈmɛs-, ˈmi zə-, -sə- / PHONETIC RESPELLING noun Embryology. the middle germ layer of a metazoan embryo.
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Origin of mesoderm
First recorded in 1870–75;
-derm OTHER WORDS FROM mesoderm mes·o·der·mal, mes·o·der·mic, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use mesoderm in a sentence British Dictionary definitions for mesoderm noun the middle germ layer of an animal embryo, giving rise to muscle, blood, bone, connective tissue, etc See also ectoderm, endoderm Derived forms of mesoderm mesodermal or mesodermic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medical definitions for mesoderm n. 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. Other words from mesoderm mes′o•der ′mic adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for mesoderm 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.
The American Heritage® Science Dictionary
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