Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Relating to, or connected with, the two primitive germ layers, the ectoderm and endoderm.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Relating to, or connected with, the two primitive germ layers, the ectoderm and ectoderm.

from The Century Dictionary and Cyclopedia

  • In embryology, of or pertaining to the outer and the inner layer of a gastrula: specifically said of the line of primitive juncture of the ectoderm and endoderm circumscribing the mouth of a gastrula. Also ecto-ental.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek ecto- + endo- + -al

Examples

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