mechanism of action; mode of action
Medical term for how a drug or treatment produces its effect. Used in pharmacology and clinical contexts.
The mechanism of action of this drug has not yet been fully elucidated.
Combining drugs with different mechanisms of action enhances the therapeutic effect.
薬理作用 refers to the pharmacological effect itself, while 作用機序 focuses on the detailed mechanism behind that effect.
Compound of 作用 (action) and 機序 (mechanism). 機序 is a medical term meaning 'mechanism' or 'process', derived from 機 (mechanism) and 序 (order).