metanephrineWiktionary 原文英美构词拆解meta-前缀+epinephrine词干meta-(anatomy and zoology) Behind. [From 19th century] · (botany and zoology) Later or subsequent. [From 19th century]词源说明Blend of meta- + epinephrine.释义名词noun1(biochemistry) A metabolite of epinephrine (adrenaline) created by the action of catechol-O-methyl transferase on epinephrine.同族词派生词 1normetanephrine