ECTODERM

ectoderm, exoderm, ectoblast

(noun) the outer germ layer that develops into skin and nervous tissue

Source: WordNet® 3.1


Etymology

Noun

ectoderm (plural ectoderms)

(biology) 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.

Source: Wiktionary


Ec"to*derm, n. Etym: [Ecto- + -derm.] (Biol.) (a) The outer layer of the blastoderm; epiblast. (b) The external skin or outer layer of an animal or plant, this being formed in an animal from the epiblast. See Illust. of Blastoderm.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 April 2025

CATCH

(verb) grasp with the mind or develop an understanding of; “did you catch that allusion?”; “We caught something of his theory in the lecture”; “don’t catch your meaning”; “did you get it?”; “She didn’t get the joke”; “I just don’t get him”


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Coffee Trivia

There are more than 50 countries that export coffee. They are near the equator, where the climate is conducive to producing coffee beans.

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