. "\"Any process that increases the amount of sodium excreted in urine over a unit of time.\" [GOC:mtg_25march11, GOC:yaf]" . . "positive regulation of renal sodium excretion" . "The amount of sodium excreted in urine over a unit of time can be increased by increasing the volume of urine produced (diuresis) and/or by increasing the concentration of sodium in the urine." . . . . "natriuresis" .