
ADRENALINE Definition & Meaning - Merriam-Webster
It is commonly used in describing the physiological symptoms (such as increased heart rate and respiration) that occur as part of the body's fight-or-flight response to stress, as when …
Epinephrine (Adrenaline): What It Is, Function, Deficiency & Side …
Mar 27, 2022 · Epinephrine, also known as adrenaline, is both a neurotransmitter and a hormone. Epinephrine plays an important role in your body’s fight-or-flight response.
ADRENALINE | English meaning - Cambridge Dictionary
ADRENALINE definition: a hormone (= chemical substance) produced by the body when a person is frightened, angry, or…. Learn more.
Adrenaline - Wikipedia
Adrenaline ... Adrenaline, also known as epinephrine and alternatively spelled adrenalin, is a hormone and medication [10][11] which is involved in regulating visceral functions (e.g., …
What Adrenaline Does and How to Control It - Verywell Health
Sep 7, 2025 · Adrenaline, or epinephrine, is a stress hormone, neurotransmitter, and a life-saving medication. Find out how it works, medical uses, and how to control a rush of adrenaline.
ADRENALINE Definition & Meaning | Dictionary.com
US name: epinephrine. a hormone that is secreted by the adrenal medulla in response to stress and increases heart rate, pulse rate, and blood pressure, and raises the blood levels of …
adrenaline noun - Definition, pictures, pronunciation and usage …
a substance produced in the body when you are excited, afraid or angry. It makes the heart beat faster and increases your energy and ability to move quickly. The excitement at the start of a …
Adrenaline | definition of adrenaline by Medical dictionary
a hormone produced by the adrenal medulla; called also adrenaline (British). Its function is to aid in the regulation of the sympathetic branch of the autonomic nervous system.
Adrenaline Definition & Meaning | Britannica Dictionary
ADRENALINE meaning: a substance that is released in the body of a person who is feeling a strong emotion (such as excitement, fear, or anger) and that causes the heart to beat faster …
Adrenaline (Epinephrine): Function, Levels, Treatment - Health
Oct 1, 2025 · Adrenaline is used to treat life-threatening allergic reactions and low blood pressure from septic shock. You may have high adrenaline levels from stress, caffeine, exercise, or …