title: The sensing of oxygen tension in the pulmonary circulation--discussion.
mesh_terms: D006632:Histamine / Q000502:physiology; D008208:Lymphatic System / Q000502:physiology; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000502:physiology; D010100:Oxygen / Q000097:blood / Q000502:physiology*; D011650:Pulmonary Alveoli / Q000502:physiology; D011651:Pulmonary Artery / Q000502:physiology; D011652:Pulmonary Circulation; D014666:Vasomotor System / Q000502:physiology; D014692:Ventilation-Perfusion Ratio
chemical_list: D006632:Histamine; D010100:Oxygen