ecdysone

[ek-duh-zohn, -sohn]
noun
an insect hormone that stimulates metamorphosis.

Origin:
1955–60; ecdys(is) + -one

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World English Dictionary
ecdysone (ɛkˈdaɪˌsəʊn)
 
n
a hormone secreted by the prothoracic gland of insects that controls ecdysis and stimulates metamorphosis
 
[C20: from German ecdyson, from Greek ekdusis; see ecdysis]

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Example sentences
The molting hormone is produced as ecdysone and is released into the culture medium.
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