The pharmacology dictionary, in two languages.

A membrane protein that moves drugs across cell membranes, either into cells (uptake) or out of them (efflux), and thereby influences absorption, distribution and elimination.

A phase II conjugation reaction in which UDP-glucuronosyltransferases (UGTs) transfer glucuronic acid from UDP-glucuronic acid to a hydroxyl, carboxyl, amine or thiol group on a drug or metabolite.

Conjugation reactions in which an endogenous moiety such as glucuronic acid, sulfate, glutathione, an acetyl or a methyl group is attached to a drug or to its phase I metabolite.