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

10 May 2025

BEATIFY

(verb) declare (a dead person) to be blessed; the first step of achieving sainthood; “On Sunday, the martyr will be beatified by the Vatican”


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Coffee Trivia

Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.

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