Definition | Adrenaline – Epinephrine

Adrenaline is a hormone of the catecholamine family, secreted by adrenal glands and the central nervous system. This neurotransmitter is biosynthesized by the central nervous system, from the tyrosine, which successively leads to the dopamine, the noradrenaline, then adrenaline. This will then be released into the blood and will attach to the cells with beta receptors, located in a large number of organs (heart, pancreas, kidneys, intestines, skin, arteries…). Of Brute formula C9H11NO3, adrenaline can also be synthesized chemically for medicinal use which is called in this case epinephrine.

Role of adrenaline

Nicknamed " stress hormone ", Adrenaline is secreted during a state of intense emotion (stress, fear, anger) or during an activity physical important. It responds to an increased need forenergy to face the danger, resist a pain or a lack ofoxygen. It also regulates the glucose accelerating the transformation of glycogen in glucose and making it available in the blood. Finally, it increases the thermogenesis by accelerating the production of heat speak brown fat tissue.

Effects of adrenaline

  • tachycardia and palpitations;

  • dilation of bronchi and pupils;

  • rise in arterial pressure ;

  • tremors;

  • stopping intestinal contractions;

  • constriction of the arteries in the skin (pallor, sweat secretion, bristling of hairs).

Use of epinephrine in medicine

Epinephrine is used as a medicine, especially in emergency situations. It is injected intravenously during consecutive shock states, for example,asthma acute severe, a anaphylactic shock, cardiorespiratory distress, or cardiac arrest. Adrenaline is also used in small amounts duringanesthesia to prevent the product anesthetic does not disperse throughout the body.

This will also interest you

Did you like this article ? Don't hesitate to share it with your friends and help us to promote ABSMARTHEALTH :)! The editorial team thanks you.