A hypothalamic structure with a marked inhibitory effect on tonic sympathetic activity.
D007031:Hypothalamus / Q000033:anatomy & histology*; D013564:Sympathetic Nervous System / Q000502:physiology*; D014666:Vasomotor System / Q000502:physiology*
HYPOTHALAMUS/anatomy and histology; SYMPATHETIC NERVOUS SYSTEM/physiology; VASOMOTOR SYSTEM/physiology