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- n. Plural form of ecdysone.
Sorry, no etymologies found.
This differs from 'but is not unlike, that of the sterols to which the insect molting hormones ( "ecdysones") belong.
Azadirachtin is structurally similar to insect hormones called "ecdysones," which control the process of metamorphosis as the insects pass from larva to pupa to adult.