ECTODERM

Ectoderm

Ectoderm is one of the three primary germ cell layers in the very early embryo. The other two layers are the mesoderm and endoderm, with the ectoderm as the most exterior layer. It emerges and originates from the outer layer of germ cells. The word ectoderm comes from the Greek ektos meaning "outside", and derma, meaning "skin."

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ectoderm

Noun

  1. Outermost of the three tissue layers in the embryo of a metazoan animal. Through development, it will produce the epidermis (skin) and nervous system of the adult.


The above text is a snippet from Wiktionary: ectoderm
and as such is available under the Creative Commons Attribution/Share-Alike License.

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