Pharmacology
Drug Interactions of cyclosporine
Classification of the cholinergic receptor
Internet Resources for Pharmacology
Classification of cholinergic receptors. The diagram shows a historical classification of receptors analyzed on the basis of distinct responses with crude alkaloids (stage 1), the partial resolution of receptor subtypes with chemically synthesized agonists and antagonists (stage 2) and the distinction of primary structures of the receptors principally through cloning by recombinant DNA techniques (stage 3).