
Hormone | Definition, Function, & Types | Britannica
Dec 26, 2025 · A hormone is an organic substance secreted by plants and animals that functions in the regulation of physiological activities and in maintaining homeostasis. Hormones carry out their …
Hormones: What They Are, Function & Types - Cleveland Clinic
Hormones are chemical messengers that coordinate different functions in your body. Several glands, organs and tissues make and release hormones, many of which make up your endocrine system. …
Hormone - Wikipedia
Hormones are required for the normal development of animals, plants and fungi. Due to the broad definition of a hormone (as a signaling molecule that exerts its effects far from its site of production), …
HORMONAL Definition & Meaning - Merriam-Webster
The meaning of HORMONAL is of, relating to, utilizing, or produced by hormones. How to use hormonal in a sentence.
Hormones | Endocrine Glands | MedlinePlus
Jun 28, 2025 · Hormones are your body's chemical messengers. They affect many processes including mood. Too much or too little of a certain hormone can have health implications.
What Do Hormones Do in Children, Men, and Women?
Dec 28, 2025 · Hormones serve as chemical messengers in the body and regulate functions like growth and metabolism. Adrenal hormones affect stress response, cardiovascular health, and energy use. …
What to know about hormones - UnitedHealthcare
Hormones are chemicals made by glands in your endocrine system that travel through your bloodstream, delivering important instructions to your organs and tissues. They help regulate …