title: Dependency of alpha 1- and alpha 2-adrenergic contractions of canine saphenous veins on intra- and extracellular activator calcium.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism / Q000502:physiology*; D002132:Calcium Radioisotopes; D004285:Dogs; D066298:In Vitro Techniques; D009131:Muscle, Smooth, Vascular / Q000187:drug effects* / Q000378:metabolism; D009638:Norepinephrine / Q000494:pharmacology; D011941:Receptors, Adrenergic / Q000187:drug effects*; D011942:Receptors, Adrenergic, alpha / Q000187:drug effects*; D012501:Saphenous Vein / Q000187:drug effects
chemical_list: D002132:Calcium Radioisotopes; D011941:Receptors, Adrenergic; D011942:Receptors, Adrenergic, alpha; D002118:Calcium; D009638:Norepinephrine