title: Cyclic nucleotide phosphodiesterase inhibition and vascular smooth muscle relaxation.
mesh_terms: D000818:Animals; D001013:Aorta, Thoracic / Q000187:drug effects / Q000201:enzymology*; D001464:Barium / Q000494:pharmacology; D001593:Benzyl Compounds / Q000494:pharmacology; D000242:Cyclic AMP; D004336:Drug Antagonism; D004347:Drug Interactions; D007093:Imidazoles / Q000494:pharmacology; D066298:In Vitro Techniques; D007546:Isoquinolines / Q000494:pharmacology; D008738:Methyl Ethers / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects*; D010208:Papaverine / Q000494:pharmacology; D010636:Phenols / Q000494:pharmacology; D010726:Phosphodiesterase Inhibitors; D010744:Phosphoric Monoester Hydrolases / Q000037:antagonists & inhibitors*; D051381:Rats; D013806:Theophylline / Q000494:pharmacology
chemical_list: D001593:Benzyl Compounds; D007093:Imidazoles; D007546:Isoquinolines; D008738:Methyl Ethers; D010636:Phenols; D010726:Phosphodiesterase Inhibitors; D001464:Barium; D013806:Theophylline; D010208:Papaverine; D000242:Cyclic AMP; D010744:Phosphoric Monoester Hydrolases