Definitions for ecdysoneˈɛk dəˌzoʊn, -ˌsoʊn

This page provides all possible meanings and translations of the word ecdysone

Random House Webster's College Dictionary

ec•dy•soneˈɛk dəˌzoʊn, -ˌsoʊn(n.)

  1. an insect hormone that stimulates metamorphosis.

    Category: Entomology

Origin of ecdysone:

1955–60; ecdys (is ) + -one

Wiktionary

  1. ecdysone(Noun)

    A hormone in insects and other arthropods that promotes molting.

Freebase

  1. Ecdysone

    Ecdysone is a steroidal prohormone of the major insect molting hormone 20-hydroxyecdysone, which is secreted from the prothoracic glands. Insect molting hormones are generally called ecdysteroids. Ecdysteroids act as moulting hormones of arthropods but also occur in other related phyla where they can play different roles. In Drosophila melanogaster, an increase in ecdysone concentration induces the expression of genes coding for proteins that the larva requires, and it causes chromosome puffs to form in polytene chromosomes. Ecdysteroids also appear in many plants mostly as a protection agent against herbivorous insects. These phytoecdysteroids have been reputed to have medicinal value and are part of herbal adaptogenic remedies like Cordyceps, yet an ecdysteroid precursor in plants has been shown to have cytotoxic properties. A pesticide sold with the name MIMIC has ecdysteroid activity, although its chemical structure has little resemblance to the ecdysteroids.

U.S. National Library of Medicine

  1. Ecdysone

    A steroid hormone that regulates the processes of MOLTING or ecdysis in insects.

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