Ectoderm

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The outermost of the three tissue layers in the embryo of a metazoan animal, which produces through development, the epidermis (skin) and nervous system of the adult.
  2. 2
    the outer germ layer that develops into skin and nervous tissue wordnet

Synonyms

All synonyms
dermisectoblastepidermisexodermmesoderm

Example

More examples

"The mesenchymal tissue between the mesothelium and the ectoderm forms the mass of the skeletal, muscular and vascular systems."

Etymology

From ecto- + -derm.

Related phrases

nervous system

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.