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natriuresis na·tri·u·re·sis (nā'trə-yu-rē'sĭs)
Excretion of excessive amounts of sodium in the urine.
natriuretic na·tri·u·ret·ic (nā'trə-yu-rět'ĭk)
Relating to or characterized by natriuresis. n.
A chemical compound that may be used to inhibit the tubular reabsorption of ions from glomerular filtrate, especially sodium ions, thereby resulting in greater amounts of that ion in the urine.