kidneys
oliguria
Oliguria is the term for reduced or scanty urine production.
Oliguria is scanty urine output. This is clinically classified as between 100-400 ml per day in humans. This could be a sign of dehydrations, renal failure, hypovolemic shock, urinary tract infections, or pre-eclampsia, among other things. The most extreme type of oliguria is called anuria, which means the absence of urine (more specifically, less than 50 ml a day).
No the word scanty is not a noun. It is an adjective.
The word 'scanty' is an adjective (scanty, scantier, scantiest), that describes a noun as limited; barely enough; meager, insufficient; inadequate. The noun form for the adjective scanty is scantiness. The adverb for for the adjective scanty is scantily. There is no verb form for the adjective scanty.
The cheerleaders wore scanty outfits.
The opposite of scanty is plentiful. This means that there is plenty of things.
It was a scanty amount of food to feed four people with.
The scanty amount of food on the table was barely enough for the whole family.
Oligohydramnios means scanty amniotic fluid.
The word scanty is an adjective that means limited in some degree or quantity. A synonym for scanty is meager; meaning lacking.
The medical terminology combining form meaning scanty is "oligo-".