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eukaryote and eucaryotic (adj)

Term: eukaryote and eukaryotic (adj)

Origin: Anc Greek ευ/eu(=good, well, easy) + κάρυον/karyon(=kernel, nut)
Literally meaning:  well defined nucleus.

Coined: in 1925  by French biologist Eduard Chatton (1883 — 1947) who first used the term in his paper "Pansporella perplex: Reflections on the Biology and Phylogeny of the Protozoa" and later (1937)  in his compendium, Titres et Travaux Scientifiques" .

An organism that is characterized by a well defined nucleus ( nucleated cells) which is enclosed within membrane and contains DNA.  

Jan Sapp. The Prokaryote-Eukaryote Dichotomy: Meanings and Mythology . Microbiology and Molecular Biology Reviews, June 2005, p. 292-305, Vol. 69, No. 2

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