What is Epinephrine (Adrenaline)?

Adrenaline  is an hormone excreted from supra-renal gland (kidneys of humans) where noradrenaline hormone is also produced.

The effect of these hormones (adrenaline and noradrenaline) is to increase the number of heart beats, so the number of pulses, arterial blood pressure, respiration rate and depth, metabolism, blood sent to muscles and muscle contraction.

Discovery of Adrenaline

Adrenaline was discovered in 1894 and noradrenaline in 1949. Both hormones belong to the class of substances called “catecholamines”, from which adrenaline is the first hormone obtained by synthesis in laboratories.  Adrenaline has been made use of in producing metaraminol, ephedrine, phenylephrine etc.

Uses of Adrenaline

Cardiac arrest, bronchial asthma, blood loss during surgeries and need for longer anaesthesia are some of the cases where adrenaline hormone is utilized.

Interesting Facts about Adrenaline Hormone

  • Adrenaline helps human beings manage the distress. Human body excretes more  noradrenaline in the case of getting angry.
  • Adrenaline improves the focus and the bearing level to pain.
  • Adrenaline, via flowing blood to the muscles of eyes, makes pupils enhance and in turn improves the clarity of vision.
  • Adrenaline contributes better memory retention.
  • Adrenaline help humans understand and think faster.

Resources: Encyclopaedia

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