Entity: HORMONE
Hormones are vital signaling molecules produced by living cells that circulate in body fluids to regulate various physiological processes. They play a crucial role in maintaining homeostasis and coordinating bodily functions.
HORMONE
Etymology
The term 'hormone' is derived from the Greek word 'hormon,' meaning 'to excite' or 'to set in motion.'
Definition
Hormones are signaling molecules produced by glands with internal secretion. They circulate in body fluids, such as blood, and affect the functions of specific target organs or tissues.
Historical Context
The concept of hormones was first introduced by British physiologist Ernest Starling in 1905. Over the years, research has revealed the diverse roles hormones play in regulating various physiological processes.
Cultural Significance
Hormones have significant cultural significance, often associated with mood swings, puberty, and reproductive health. They are crucial for growth, development, and overall well-being.
Related Concepts
- Endocrine system
- Glands
- Homeostasis
See Also
- Insulin
- Thyroxine
- Endocrine glands
A substance produced by glands with internal secretion that carries signals through the blood to target organs, affecting their functions.