Entity: ADRENALINE
Adrenaline, also known as epinephrine, is a hormone secreted by the adrenal glands in response to stress. It plays a crucial role in the body's 'fight-or-flight' response, preparing the body for physical or emotional stress. Figuratively, adrenaline is associated with a high state of excitement and heightened alertness.
ADRENALINE
Etymology
The term 'adrenaline' is derived from the Latin 'ad-' meaning 'near' and 'renes' meaning 'kidneys', referring to its secretion from the adrenal glands located near the kidneys.
Definition
Adrenaline, also known as epinephrine, is a hormone secreted by the adrenal glands in response to stress. It plays a crucial role in the body's 'fight-or-flight' response, preparing the body for physical or emotional stress.
Historical Context
The discovery of adrenaline dates back to the late 19th century when it was first isolated and identified as a key hormone involved in the body's stress response. Since then, adrenaline has been extensively studied for its physiological effects.
Cultural Significance
Adrenaline is often associated with a high state of excitement and heightened alertness in various cultural contexts. It is commonly referenced in sports, thrill-seeking activities, and situations requiring quick decision-making under pressure.
Related Concepts
- Epinephrine: The medical term for adrenaline, used interchangeably in healthcare settings.
- Fight-or-Flight Response: The body's physiological reaction to stress, where adrenaline plays a central role in preparing the body for action.
See Also
A hormone secreted by the adrenal glands in response to stress, playing a key role in the body's 'fight-or-flight' response and associated with a high state of excitement.