Difference between revisions of "Epinephrine"
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[[Image:Adrenaline.png|thumb|Adrenaline - Chemical structure]] | [[Image:Adrenaline.png|thumb|Adrenaline - Chemical structure]] | ||
| − | '''Epinephrine''', also known as '''adrenaline''', is a [[hormone]]. | + | '''Epinephrine''', also known as '''adrenaline''', is a [[hormone]]. Its name comes from the [[Greek]] phrase ''epi'' ''nephros'', meaning "from the kidney", whereas "adrenaline" comes from the [[Latin]] phrase ''ad'' ''renal'', which means the same thing. It is secreted by the [[adrenal gland]]s. Epinephrine is released during the [[fight or flight]] reaction, causing the body to shift into "overdrive". The [[pupil]]s dilate, blood glucose levels elevate, [[blood vessel]]s constrict, and the [[immune system]] weakens, along with other changes. |
Revision as of 05:21, November 28, 2007
Epinephrine, also known as adrenaline, is a hormone. Its name comes from the Greek phrase epi nephros, meaning "from the kidney", whereas "adrenaline" comes from the Latin phrase ad renal, which means the same thing. It is secreted by the adrenal glands. Epinephrine is released during the fight or flight reaction, causing the body to shift into "overdrive". The pupils dilate, blood glucose levels elevate, blood vessels constrict, and the immune system weakens, along with other changes.