ecdysone(redirected from ecdyson)
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A steroid hormone produced by insects and crustaceans that promotes growth and controls molting.
(Zoology) a hormone secreted by the prothoracic gland of insects that controls ecdysis and stimulates metamorphosis
[C20: from German ecdyson, from Greek ekdusis; see ecdysis]
ec•dy•sone(ˈɛk dəˌzoʊn, -ˌsoʊn)
an insect hormone that stimulates metamorphosis.