Impulse frequency in sympathetic vasomotor fibres correlated to the release and elimination of the transmitter.
D000320:Adrenergic Fibers; D001808:Blood Vessels / Q000294:innervation*; D006801:Humans; D013564:Sympathetic Nervous System / Q000502:physiology*
BLOOD VESSELS/innervation; SYMPATHETIC NERVOUS SYSTEM/physiology