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 mesoderm

Historical Examples of mesoderm

To these a third intermediate layer is soon added, the mesoderm.
Pedagogical Anthropology
Maria Montessori
The formation of the mesoderm in Teleosts is not definitely understood.
A Guide to the Study of Fishes, Volume 1 (of 2)
David Starr Jordan
It consists of three layers: ectoderm, endoderm, and mesoderm.
The Sea-beach at Ebb-tide
Augusta Foote Arnold
It has been already stated that the mesoderm is a composite tissue.
Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3
Various
The origin and part played by the mesoderm appeared the most obscure.
Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3
Various

British Dictionary definitions for mesoderm

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 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).

mesoderm 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.

mesoderm 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.