ECTOBLAST

ectoderm, exoderm, ectoblast

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

Source: WordNet® 3.1


Etymology

Noun

ectoblast (plural ectoblasts)

(dated, biology) The outer layer of the blastoderm; the ectoderm or epiblast.

Source: Wiktionary


Ec"to*blast, n. Etym: [Ecto- + Gr. (Biol.) (a) The outer layer of the blastoderm; the epiblast; the ectoderm. (b) The outer envelope of a cell; the cell wall. Agassiz.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

8 June 2025

EXECUTION

(noun) (law) the completion of a legal instrument (such as a contract or deed) by signing it (and perhaps sealing and delivering it) so that it becomes legally binding and enforceable


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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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