subfornical organ


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Related to subfornical organ: Subcommissural organ

sub·for·ni·cal or·gan (SFO),

the intercolumnar tubercle. One of the circumventricular organs., SFO has fenestrated capillaries and is outside the blood-brain barrier. It is thought to be a chemoreceptor zone involved in cardiovascular regulation.
Synonym(s): organum subfornicale [TA]
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References in periodicals archive ?
Mogenson, "Effects of plasma angiotensin II and hypernatremia on subfornical organ neurons," The American Journal of Physiology, vol.
Long-Term High Salt Intake Involves Reduced SK Currents and Increased Excitability of PVN Neurons with Projections to the Rostral Ventrolateral Medulla in Rats
This hypothalamic region is comprised primarily of the organum vasculosum of the lamina terminalis (OVLT), median preoptic nucleus (MnPO), and efferent fibers of the subfornical organ (SFO) [3].
Angiotensin II-Induced Hypertension Is Attenuated by Overexpressing Copper/Zinc Superoxide Dismutase in the Brain Organum Vasculosum of the Lamina Terminalis
The thirst-regulating circuit is located in a region of the brain called the subfornical organ (SFO).
Brain Circuit that Regulates Thirst Identified
Thus, circulating AngII may activate neurons at the subfornical organ (67), which sends axonal projections to the SON, increasing MNC activity via AngII release and activation of postsynaptic AngII receptors type-1 (AT1).
Effects of nitric oxide on magnocellular neurons of the supraoptic nucleus involve multiple mechanisms

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