Definitions for ectodermˈɛk təˌdɜrm

This page provides all possible meanings and translations of the word ectoderm

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. ectoderm, exoderm, ectoblast(noun)

    the outer germ layer that develops into skin and nervous tissue

WiktionaryRate this definition:(0.00 / 0 votes)

  1. ectoderm(Noun)

    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.

Webster DictionaryRate this definition:(0.00 / 0 votes)

  1. Ectoderm(noun)

    the outer layer of the blastoderm; epiblast

  2. Ectoderm(noun)

    the external skin or outer layer of an animal or plant, this being formed in an animal from the epiblast. See Illust. of Blastoderm

  3. Origin: [Ecto- + -derm.]

FreebaseRate this definition:(0.00 / 0 votes)

  1. 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." Generally speaking, the ectoderm differentiates to form the nervous system, tooth enamel and the epidermis. It also forms the lining of mouth, anus, nostrils, sweat glands, hair and nails. In vertebrates, the ectoderm has three parts: external ectoderm, the neural crest, and neural tube. The latter two are known as neuroectoderm.

U.S. National Library of MedicineRate this definition:(0.00 / 0 votes)

  1. Ectoderm

    The outer of the three germ layers of an embryo.

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