title: The release of endothelium-derived relaxant factor is calcium dependent.
mesh_terms: D000109:Acetylcholine / Q000502:physiology; D000818:Animals; D001011:Aorta; D002118:Calcium / Q000494:pharmacology / Q000502:physiology*; D004727:Endothelium / Q000187:drug effects; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009131:Muscle, Smooth, Vascular / Q000187:drug effects; D009569:Nitric Oxide; D051381:Rats; D011919:Rats, Inbred Strains; D014665:Vasodilator Agents / Q000378:metabolism*
chemical_list: D014665:Vasodilator Agents; D009569:Nitric Oxide; D000109:Acetylcholine; D002118:Calcium