Independent sympathetic vasoconstrictor innervation of arterioles and precapillary sphincters.
D001160:Arterioles; D006801:Humans; D009132:Muscles; D014662:Vasoconstrictor Agents; D014666:Vasomotor System / Q000502:physiology*
D014662:Vasoconstrictor Agents
VASOMOTOR SYSTEM/physiology