Neurogenic vasodilatation.
D000109:Acetylcholine / Q000502:physiology; D000818:Animals; D001341:Autonomic Nervous System / Q000502:physiology*; D002395:Catecholamines / Q000494:pharmacology; D006632:Histamine / Q000502:physiology; D009431:Neural Conduction; D018377:Neurotransmitter Agents / Q000502:physiology*; D011943:Receptors, Adrenergic, beta / Q000502:physiology; D013564:Sympathetic Nervous System / Q000502:physiology; D009435:Synaptic Transmission; D014655:Vascular Resistance; D014664:Vasodilation
D002395:Catecholamines; D018377:Neurotransmitter Agents; D011943:Receptors, Adrenergic, beta; D006632:Histamine; D000109:Acetylcholine