title: [Aging of the bronchial tree and the bronchial vascular system. 2. Changes in the bronchial vascular system tone due to aging].
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000375:Aging; D000804:Angiotensin II / Q000494:pharmacology; D000818:Animals; D001808:Blood Vessels / Q000502:physiology*; D001980:Bronchi / Q000098:blood supply*; D001981:Bronchial Arteries / Q000187:drug effects; D004285:Dogs; D004837:Epinephrine / Q000494:pharmacology; D009129:Muscle Tonus; D012701:Serotonin / Q000494:pharmacology; D013268:Stimulation, Chemical
chemical_list: D000804:Angiotensin II; D012701:Serotonin; D000109:Acetylcholine; D004837:Epinephrine