Adenosine Triphosphate 2 Animalia 2 Animals 2 Aorta, Thoracic 2 Bradykinin 2 Cells, Cultured 2 Cyclic GMP 2 Endothelium, Vascular 2 Endothelium-dependent relaxing factor 2 Enzyme Activation 2 Enzyme Inhibitors 2 Fetus 2 Kinetics 2 NG-Nitroarginine Methyl Ester 2 Naphthalenes 2 Nitric Oxide 2 Phorbol Esters 2 Phorbol ester 2 Polyethylene Glycols 2 Protein Kinase C 2 Protein kinase C inhibitors 2 Staurosporine 2 Suidae 2 Sus scrofa 2 Swine 2 Tetradecanoylphorbol Acetate 2 Time Factors 2 Vasodilator Agents 2 adenosine triphosphate 2 animal cell 2