Action of epinephrine Video _ DnaTube.com - Scientific Video Site.flv

Epinephrine is a hormone and neurotransmitter. It is catecholomine, a sympathomimetic monoamine derived from the amino acids phenylalanine and tryosine,Epinephrine is often shortened to epi or to EP in American medical jargon. It is also referred to as adrenaline Epinephrine is a "fight or flight" hormone, and plays a central role in the short-term stress reaction. It is released from the adrenal glands when danger threatens or in an emergency. Such triggers may be threatening, exciting, or environmental stressor conditions such as high noise levels, or bright light and high ambient temperature Action of Epinephrine.