Structural Biochemistry/Epinephrine

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Epinephrine, otherwise known as adrenaline, is a hormone secreted by the adrenal glands that is involved in the "fight or flight" response in humans. This response occurs when an individual comes in contact with a threat causing the body to release epinephrine giving the individual energy to respond to the threat.

Epinephrine is derived from tyrosine, one of the 20 major amino acids.


Cashin-Garbutt, April. "What is Epinephrine (Adrenaline)?." News Medical. N.p., n.d. Web. 6 Dec. 2012. <>.