ecdysone
also ecdyson noun Etymology: International Scientific Vocabulary ecdysis + hormone Date: 1956 any of several arthropod hormones that in insects are produced by the prothoracic gland and that trigger molting and metamorphosis

New Collegiate Dictionary. 2001.

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  • Ecdysone — IUPAC name (2S,3R,5R,9R,10R,13R,14S,17R) 17 [(2S,3R) 3,6 dihydroxy …   Wikipedia

  • ecdysone — [ ɛkdizɔn; ɛkdizon ] n. f. • 1955; all. Ecdyson, de Ecdysis « mue », gr. ekdusis « action de se dépouiller » ♦ Biol. Hormone produite par les glandes du prothorax des insectes, qui stimule la mue des larves. ● ecdysone nom féminin (grec ekdusis,… …   Encyclopédie Universelle

  • Ecdysone —   [griechisch], Singular Ecdyson das, s, Ekdysone, Steroidhormone, die bei Insekten und Krebsen die Häutungen der verschiedenen Entwicklungsstadien steuern. Das Ecdyson (α Ecdyson) wird bei Insekten in der …   Universal-Lexikon

  • ecdysone — [ek′də sōn΄] n. [ ECDYSIS + ONE] a hormone produced in the prothoracic glands of insects or in similar glands in crustaceans, for stimulating growth and the molting of the exoskeleton …   English World dictionary

  • Ecdysone — Formules de l ecdysone et de la 20 hydroxy ecdysone (en rouge, l hydroxyle supplémentaire sur le carbone 20) L ecdysone est une hormone stéroïde intervenant notamment dans le processus de la mue des arthropodes et dans le contrôle de leur… …   Wikipédia en Français

  • ecdysone — Family of steroid hormones found in insects, crustaceans and plants. In insects, a ecdysone stimulates moulting. The steadily maturing character of the moults is affected by steadily decreasing levels of juvenile hormone. b ecdysone (ecdysterone) …   Dictionary of molecular biology

  • ecdysone — n. [Gr. ekdysis, getting out of] (ARTHROPODA) A hormone that initates changes in cells associated with molting, produced by a secretion of the prothoracotrophic hormone from the median neurosecretory cells of insects, and the Ygland of… …   Dictionary of invertebrate zoology

  • ecdysone — /ek deuh zohn , sohn /, n. an insect hormone that stimulates metamorphosis. [1955 60; ECDYS(IS) + ONE] * * * …   Universalium

  • ecdysone — noun A hormone in insects and other arthropods that promotes molting. See Also: ecdysis …   Wiktionary

  • ecdysone — ec·dy·sone ek də .sōn also ec·dy·son .sän n any of several arthropod hormones that in insects are produced by the prothoracic gland and that trigger molting and metamorphosis * * * ec·dy·sone (ek diґson) [Gr. ekdysis a getting out] the hormone… …   Medical dictionary

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