Polish Society of Nephrology to represent nephrologists’ community i.e. to develop and promote up-to-date clinical practice in the fields of nephrology, dialysis therapy and kidney transplantation as well as to take part in health care organization in the area of Society’s competence. PSN promotes kidney health by organizing educational meetings and cooperating with patient organizations. The aim of PSN is also to promote continuous professional development, research activities and international cooperation among its members. Young Nephrologists’ Club (YNC) of the PSN was established in 2014. The aim of the YNC is to cooperate with the Young Nephrologists’ Platform of the ERA-EDTA and to promote
Circumventricular organs decrease in RF production. This finding implies that the subcommissural organ and its associated Reissner's fibers are an integral part of fluid electrolyte balance and water homeostasis. The pituitary gland is subdivided into two lobes, the anterior pituitary and the posterior pituitary (also known as the adenohypophysis and neurohypophysis respectively). Each one functions as a separate endocrine organ, and both are circumventricular organs. The anterior pituitary contains non-neural secretory cells derived from oral ectoderm which are indirectly controlled by "releasing hormones" from the median eminence of the hypothalamus, through the hypophyseal portal circulation. The posterior pituitary consists of axonal projections