Active constriction and dilatation in pulmonary circulation in response to acetylcholine.
D000109:Acetylcholine / Q000494:pharmacology*; D001775:Blood Circulation / Q000187:drug effects*; D003250:Constriction; D003251:Constriction, Pathologic; D004106:Dilatation; D008168:Lung / Q000098:blood supply*; D011652:Pulmonary Circulation
D000109:Acetylcholine
ACETYLCHOLINE/effects; BLOOD CIRCULATION/effect of drugs on; LUNGS/blood supply