The local control of small calibre.
D001808:Blood Vessels / Q000502:physiology*; D002196:Capillaries / Q000502:physiology*; D006801:Humans; D014655:Vascular Resistance; D014662:Vasoconstrictor Agents / Q000494:pharmacology; D014665:Vasodilator Agents / Q000494:pharmacology; D014666:Vasomotor System / Q000502:physiology*
D014662:Vasoconstrictor Agents; D014665:Vasodilator Agents