Lexic.us

Definition of Mesoderm

1. Noun. The middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue.

Definition of Mesoderm

1. n. The layer of the blastoderm, between the ectoderm and endoderm; mesoblast. See Illust. of Blastoderm and Ectoderm.

Definition of Mesoderm

1. Noun. (embryology) One of the three tissue layers in the embryo of a metazoan animal. Through embryonic development, it will produce many internal organs of the adult, e.g. muscles, spine and circulatory system. ¹

¹ Source: wiktionary.com

Definition of Mesoderm

1. the middle germ layer of an embryo [n -S]

Medical Definition of Mesoderm

1. Middle of the three germ layers, gives rise to the musculoskeletal, blood, vascular and urinogenital systems, to connective tissue (including that of dermis) and contributes to some glands. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Mesoderm

Literary usage of Mesoderm

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Text-book of Zoology by Thomas Jeffery Parker, William Aitcheson Haswell (1921)
"At an early stage the mesoderm is found in the form of paired ... In all probability the mesoderm is derived from both of the primitive germ-layers. ..."

2. Outlines of Chordate Development by William Erskine Kellicott (1913)
"The extent of the mesoderm, as of the neural plate and notochord, is increased chiefly by the addition of cells from this ..."

3. Anatomy, Descriptive and Applied by Henry Gray (1913)
"mesoderm.—The mesoderm consists of loosely arranged branched cells surrounded by a considerable amount of intercellular fluid. From it the remaining tissues ..."

4. The Development of the Frog's Egg: An Introduction to Experimental Embryology by Thomas Hunt Morgan (1897)
"At first the mesoderm is in close contact with the endoderm, particularly along the mid-dorsal line. The notochord soon separates from the mesodermal sheets ..."

5. Text-book of the Embryology of Invertebrates by Eugen Korschelt, Karl Heider, Edward Laurens Mark, William McMichael Woodworth, Matilda Bernard, Martin Fountain Woodward (1900)
"Near the blastopore. the increase in number of the cells of the ectoderm is said to give rise to a thickening which is the rudiment of the mesoderm. ..."

6. A Laboratory Manual and Text-book of Embryology by Charles William Prentiss (1915)
"The notochord is now differentiated from the mesoderm and may be seen in the ... In the mesoderm lateral to the notochord and cephalad to the primitive node ..."

7. A Laboratory Text-book of Embryology by Charles Sedgwick Minot (1910)
"Not only can the ectoderm, Ec, be followed around from the embryo over the yolk-sac, but also a layer of mesoderm. The part of the yolk-sac which carries ..."

8. The Development of the Chick: An Introduction to Embryology by Frank Rattray Lillie (1908)
"One thing is perfectly clear, viz., that the mesoderm of the opaque area arises in continuity with the primitive streak mesoderm; the second view would ..."

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