Aldosterone Animal Animalia Aorta Blood Pressure Cloning, Molecular Endothelins Na(+)-K(+)-Exchanging ATPase Ouabain Rats Rats, Inbred Strains Rats, Sprague-Dawley Receptors, Endothelin Strophanthus gratus Support, Non-U.S. Gov't Support, U.S. Gov't, Non-P.H.S. Support, U.S. Gov't, P.H.S. Zona Glomerulosa adenosine triphosphatase (potassium sodium) aldosterone aldosterone release animal cell animal experiment article blood pressure controlled study cyclo(dextro tryptophyl dextro aspartylprolyl dextro valylleucyl) endothelin 1 endothelin receptor endothelin receptor antagonist