AV3V Region
The OVLT and the SFO are both strongly interconnected with the median preoptic nucleus of the hypothalamus (the nucleus medianus), and together these three structures comprise the "anterioventral third ventricle (AV3V) region" -- the region anterior and ventral to the third ventricle. The AV3V region is very important in the regulation of fluid and electrolyte balance by controlling thirst, sodium excretion, blood volume regulation, and vasopressin secretion.
Read more about this topic: Organum Vasculosum Of Lamina Terminalis
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