
Hormone - Wikipedia
A hormone (from the Greek participle ὁρμῶν, "setting in motion") is a class of signaling molecules in multicellular organisms that are sent to distant organs or tissues by complex biological …
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 …
Hormone | Definition, Function, & Types | Britannica
2025年2月22日 · A hormone is an organic substance secreted by plants and animals that functions in the regulation of physiological activities and in maintaining homeostasis. …
Hormones and the Endocrine System | Johns Hopkins Medicine
The endocrine system uses hormones to control and coordinate your body's internal metabolism (or homeostasis) energy level, reproduction, growth and development, and response to injury, …
Hormones | Endocrine Glands - MedlinePlus
2025年1月21日 · Endocrine glands, which are special groups of cells, make hormones. The major endocrine glands are the pituitary, pineal, thymus, thyroid, adrenal glands, and pancreas. In …
What are Hormones? Types, Functions and Hormonal Diseases
“Hormones are chemicals synthesized and produced by the specialized glands to control and regulate the activity of certain cells and organs. These specialized glands are known as …
What are hormones? Types and what they do - Medical News Today
2024年6月26日 · 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 System: What It Is, Function, Organs & Diseases
Hormones are chemicals that coordinate different functions in your body by carrying messages through your blood to your organs, skin, muscles and other tissues. These signals tell your …
Hormones | You and Your Hormones
What is a hormone? A hormone is a chemical that is made by specialist cells, usually within an endocrine gland, and it is released into the bloodstream to send a message to another part of …
Hormones and their functions | Britannica
hormone, Organic compound (often a steroid or peptide) that is produced in one part of a multicellular organism and travels to another part to exert its action.