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Webster 1913 Edition


Mesoderm

Mes′o-derm

,
Noun.
[
Meso-
+ Gr.
δέρμα
skin.]
(Biol.)
(a)
The layer of the blastoderm, between the ectoderm and endoderm; mesoblast. See Illust. of
Blastoderm
and
Ectoderm
.
(b)
The middle body layer in some invertebrates.
(c)
The middle layer of tissue in some vegetable structures.

Definition 2023


mesoderm

mesoderm

English

Noun

mesoderm (plural mesoderms)

  1. (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.

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