ecdysonen.

/ˈɛkdɪsəʊn/

Forms: Also ecdyson.

Etymology: < German ecdyson (P. Karlson 1956, in Ann. des Sci. naturelles (Zool.) XVIII. 133), < Greek ἔκδυσις : see ecdysis n.

A steroid, present as a hormone in the young forms of insects and some other arthropods, that controls moulting.

ΚΠ

1956 Vitamins & Hormones 14 234 The name ecdysone,..pointing to the significance of the active substance for all molting processes, was proposed..for the pure, chemically defined, substance after isolation of the prothoracic gland hormone.

1961 New Scientist 2 Nov. 279/3 The moulting hormone (ecdyson) is produced at intervals by the thoracic glands under the influence of another hormone secreted by certain cells in the brain.

1961 New Scientist 2 Nov. 279/3 Adults do not normally produce any ecdyson, but if this is provided artificially they can be induced to moult again.

1968 Nature 9 Nov. 601/2 The ecdysones control moulting in three diverse classes of arthropods besides insects.

This entry has not yet been fully updated (first published 1972; most recently modified version published online December 2020).

单词	ecdysone
释义	ecdysonen. /ˈɛkdɪsəʊn/ Forms: Also ecdyson. Etymology: < German ecdyson (P. Karlson 1956, in Ann. des Sci. naturelles (Zool.) XVIII. 133), < Greek ἔκδυσις : see ecdysis n. A steroid, present as a hormone in the young forms of insects and some other arthropods, that controls moulting. ΚΠ 1956 Vitamins & Hormones 14 234 The name ecdysone,..pointing to the significance of the active substance for all molting processes, was proposed..for the pure, chemically defined, substance after isolation of the prothoracic gland hormone. 1961 New Scientist 2 Nov. 279/3 The moulting hormone (ecdyson) is produced at intervals by the thoracic glands under the influence of another hormone secreted by certain cells in the brain. 1961 New Scientist 2 Nov. 279/3 Adults do not normally produce any ecdyson, but if this is provided artificially they can be induced to moult again. 1968 Nature 9 Nov. 601/2 The ecdysones control moulting in three diverse classes of arthropods besides insects. This entry has not yet been fully updated (first published 1972; most recently modified version published online December 2020). < n.1956
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