title: Extremities in heat or cold.
mesh_terms: D000222:Adaptation, Physiological; D001920:Bradykinin / Q000502:physiology; D002395:Catecholamines / Q000502:physiology; D003250:Constriction; D004106:Dilatation; D005121:Extremities / Q000098:blood supply*; D005615:Freezing; D005627:Frostbite / Q000517:prevention & control; D006801:Humans; D012881:Skin Temperature; D013546:Sweating; D013696:Temperature; D013997:Time Factors; D014666:Vasomotor System / Q000502:physiology
chemical_list: D002395:Catecholamines; D001920:Bradykinin