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Metamorphosis · INCREDIBLE INSECTS: A Celebration of Insect Biology · Duke University Library Exhibi
https://exhibits.library.duke.edu/exhibits/show/insects/metamorphosis
This hormone then stimulates the prothoracic glands to secrete the molting hormone, ecdysone. Each time ecdysone is secreted, (...)
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Insect Sizes & Oxygen · INCREDIBLE INSECTS: A Celebration of Insect Biology · Duke University Librar
https://exhibits.library.duke.edu/exhibits/show/insects/size-o
This triggers the release of hormones (PTTH and ecdysone: see display on metamorphosis) that stop growth and start metamorphosis.