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albumin/o
albumin, protein
azot/o
nitrogenous compounds
bacteri/o
bacteria
cyst/o, vesic/o
bladder
glomerul/o
glomerulus
kal/i
potassium
keton/o
ketone bodies (acids and acetones)
lith/o
stone, calculus
meat/o
opening, meatus
nephr/o, ren/o
kidney
noct/o
night
olig/o
scanty
py/o
pus
pyel/o
renal pelvis
ur/o
urine, urinary tract
ureter/o
ureter
urethr/o
urethra
-genesis
forming; producing; origin
-uria
urine
dia-
through, across
retro-
backward, behind