| 释义 |
ep·i·neph·rine
\ˌepəˈneˌfrēn, -_frə̇n\ noun
also ep·i·neph·rin \-_frə̇n\
(-s)
Etymology: International Scientific Vocabulary epi- + nephr- + -ine, -in
: a colorless crystalline feebly basic compound (HO)2C6H3CH(OH)CH2NHCH3 existing in three optically different forms; 1-(3,4-dihydroxy-phenyl)-2-methylamino-ethanol; especially : the levorotatory form constituting the principal blood-pressure-raising hormone of the medulla of the adrenal glands, prepared from adrenal extracts and also synthetically, and used chiefly as a heart stimulant, as a vasoconstrictor in controlling hemorrhages of the skin and in prolonging the effects of local anesthetics, and as a muscle relaxant in bronchial asthma — called also adrenaline, adrenin |