单词	ecdysone
释义	ecdysone /ˈɛkdɪsəʊn / /ɛkˈdʌɪsəʊn/ noun [mass noun] Biochemistry A steroid hormone that controls moulting in insects and other arthropods.This checkpoint may be controlled by signaling through the steroid hormone ecdysone.... Larval molting in Drosophila, as in other insects, is initiated by the coordinated release of the steroid hormone ecdysone, in response to neural signals, at precise stages during development. A pulse of the steroid hormone ecdysone at the onset of metamorphosis triggers the rapid transformation of a flat leg imaginal disc into an immature adult leg, largely through coordinated changes in cell shape. Origin 1950s: from Greek ekdusis 'shedding' + -one.
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