
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 …
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 …
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 …
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 and the Endocrine System | Johns Hopkins Medicine
Consider the following hormones and their role in the workings of the endocrine system: Controls production of sex hormones (estrogen in women and testosterone in men) and the production …
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 are Hormones? - News-Medical.net
Mar 19, 2025 · Thyroid hormones are actively released throughout an individual’s entire lifespan, with their production maintained through hormonal pathways and negative feedback loops.
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 …
What are hormones? Types, functions, and imbalances
Jun 26, 2024 · Hormones are chemical messengers that send a signal to one or more tissues or organs in the body. They are part of the endocrine system, and the study of this system is …
Endocrine Function - Hormonal and Metabolic Disorders - MSD …
Hormones are chemical substances that affect the activity of another part of the body (target site). In essence, hormones serve as messengers, controlling and coordinating activities throughout …