Definition of ecdysone in English:

ecdysone

Line breaks: ec¦dys|one
Pronunciation: /ˈɛkdɪsəʊn
 
, ɛkˈdʌɪsəʊn/

noun

[mass noun] Biochemistry
  • A steroid hormone that controls moulting in insects and other arthropods.
    More example sentences
    • 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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