mesoderm

[ mez-uh-durm, mes-, mee-zuh-, -suh- ]

/ ˈmɛz əˌdɜrm, ˈmɛs-, ˈmi zə-, -sə- /

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noun Embryology.

the middle germ layer of a metazoan embryo.

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Origin of mesoderm

First recorded in 1870–75; meso- + -derm

OTHER WORDS FROM mesoderm

mes·o·der·mal, mes·o·der·mic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mesoderm in a sentence

The liver cells, therefore, are entodermal, but the supporting connective tissue mesodermal from the septum transversum.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 7|Various
Enamel is however never present, and the plates are entirely mesodermal.
The Vertebrate Skeleton|Sidney H. Reynolds
Ectoderm and entoderm in this region with the intervening mesodermal layer form the cloacal membrane (Fig. 21).
The Anatomy of the Human Peritoneum and Abdominal Cavity|George. S. Huntington
The mesodermal elements thus added to the enteric entodermal tube consist of connective tissue and muscular fibers.
The Anatomy of the Human Peritoneum and Abdominal Cavity|George. S. Huntington

The paired oviducts and vasa deferentia are, as we have seen, mesodermal in origin.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4|Various

British Dictionary definitions for mesoderm

mesoderm

/ (ˈmɛsəʊˌdɜːm) /

noun

the middle germ layer of an animal embryo, giving rise to muscle, blood, bone, connective tissue, etcSee also ectoderm, endoderm

Derived forms of mesoderm

mesodermal 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

Scientific definitions for mesoderm

mesoderm

[ mĕz′ə-dûrm′ ]

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.