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Imaginal disks

   Also found in: Wikipedia 0.04 sec.
(Zool.) masses of hypodermic cells, carried by the larvæ of some insects after leaving the egg, from which masses the wings and legs of the adult are subsequently formed.

See also: Imaginal



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Gehring's group added to fruit flies copies of the vertebrate genes that had been engineered to become active in imaginal disks, embryonic tissues that give rise to adult insect structures like wings and legs.
Eye-opening gene: how many times did eyes arise? by Travis, John / Science News
Just before an insect larva changes into a flying adult, it develops white globs of cells called imaginal disks that later become its wings, explains Sean B.
Gene patterns decorate butterflies' wings by Pennisi, Elizabeth / Science News
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