mesoderm

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

noun Embryology.

the middle germ layer of a metazoan embryo.

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. 2019

Examples from the Web for mesodermal

Historical Examples of mesodermal

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 mesodermal

mesoderm

noun

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

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 mesodermal

mesoderm

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

mesodermal in Medicine

mesoderm

[mĕz′ə-dûrm′]

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.

Related formsmes′o•der′mic adj.

mesodermal in Science

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.