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epinephrine

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epinephrine

Main Entry:: epi·neph·rine
Variant(s):: also epi·neph·rin \ˌe-pə-ˈne-frən\
Function:: noun
Etymology:: International Scientific Vocabulary epi- + Greek nephros kidney — more at nephritis
Date:: 1899

: a colorless crystalline feebly basic sympathomimetic hormone C₉H₁₃NO₃ that is the principal blood-pressure raising hormone secreted by the adrenal medulla and is used medicinally especially as a heart stimulant, a vasoconstrictor in controlling hemorrhages of the skin, and a muscle relaxant in bronchial asthma —called also adrenaline

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