juvenile hormone

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juvenile hormone

n.
Any of several hormones in insects that regulate various physiological processes, especially larval development and reproduction.

juvenile hormone

n
(Biochemistry) a hormone, secreted by insects from a pair of glands behind the brain, that promotes the growth of larval characteristics and inhibits metamorphosis

ju′venile hor′mone


n.
any of a class of insect hormones acting to inhibit the molting of an immature insect into its adult form.
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Juvenile hormones and juvenoids; modeling biological effects and environmental fate.
Contributors in a wide range of biological sciences explain methods for investigating mechanisms of action of juvenile hormones and their analogues and for estimating their environmental fate and potential adverse affects using an in silica quantitative structure-activity-relation (QSAR) approach.
Juvenile hormones regulate metamorphosis and the quality of molting in insects (Riddiford & Evans 1994).
Washington, August 5 (ANI): A new study has demonstrated that programmed cell death - a process by which cells deliberately destroy themselves - is key to termite evolution wherein they molt from workers, to presoldiers and finally soldiers under the effect of juvenile hormones.
There is also material on current research in biosynthesis inhibitors of insect chitin, juvenile hormones of insects and their analogs, and methods for researching insecticides.
Biologists hope to recapture the oldest kits before their juvenile hormones stimulate them to disperse.
Regulation of vitellogenesis in insects: The pleiotropic role of juvenile hormones.
Contents include articles on the juvenile hormones, circadian organization of the endocrine system, ecdysteroid chemistry and biochemistry, as well as new chapters on insulin-like peptides and the peptide hormone Bursicon.
Additionally, juvenile hormones should be considered in insects and crustaceans (55).
Her zoology project, "Tracing Juvenile Hormones through Ligation in Phormia," examines life changes and their effect on growth.
The steroid 20-hydroxyecdysone (20E) and the sesquiterpenoid juvenile hormone (JH) are 2 major hormones that regulate the metamorphosis and development of H.

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