Hormone

Definition

Chemical substances produced in the bodies of insects (and other organisms) that regulate and control various physiological processes and behaviors, such as growth, development, and reproduction.

Etymology

From Greek 'hormōn', present participle of 'hormān', meaning 'to set in motion, impel'.

Example

Juvenile hormone is crucial in regulating the metamorphosis of insects from larva to adult.

Synonyms

• Chemical messenger
• Regulator

Related Terms

• Juvenile hormone
• Ecdysone
• Endocrine system
• Neurohormone

Usage Notes

Hormones in insects can be produced by specialized glands or cells and can influence a wide range of physiological activities.