Polish Society of Nephrology Polish Society of Nephrology Polish Society of Nephrology (PSN; Polish: Polskie Towarzystwo Nefrologiczne) – non-profit medical-scientific association, established in 1983, with a current headquarters in Warsaw that unites nephrologists, physicians and other scholars, experts and professionals in the fields of kidney diseases, dialysis therapy and renal transplantation. Polish Society of Nephrology was established during the First Funding Congress, which was held in September 1983 in Bydgoszcz and registered in the District Court in Łódź. To that time there were two separate societies gathering doctors and other health care professionals specialized in kidney diseases - Nephrology Committee of the Polish Academy
Circumventricular organs is also hypothesized that the VOLT may be the mechanism through which pyrogens function to initiate a febrile response in the CNS. Finally, VOLT neurons have been observed to respond to temperature changes indicating that the organum vasculosum of the lamina terminalis is subject to different climates. The subfornical organ is a sensory CVO situated in the lamina terminalis and lacking the BBB, the absence of which characterizes the circumventricular organs. Protruding into the third ventricle of the brain, the highly vascularized SFO can be divided into 3–4 anatomical zones, especially by its capillary density and structure. The central zone