Suffix
Combining Form
Terminology
Random
Random
100

-poietin

substance that forms

100

cyst/o

urinary bladder

100

oliguria

scanty urination 

100

kal/i

potassium 

100

natr/o

sodium 
200

-tripsy

crusthing

200

meat/o

meatus

200

urethroplasty

surgical repair of a urethra 

200

pyel/o

renal pelvis

200

ren/o

kidney

300

-uria

urination; urine condition

300

glomerul/o

glomerulus

300

nocturia

excessive urination at night

300

nephr/o

kidney

300

azot/o

nitrogen

400

-ectasis

dilation, widening 

400

trigon/o

trigone (region of the bladder)

400

polydipsia

condition of increased thirst 

400

lith/o

stone

400

dips/o

thirst

500

-ic 

pertaining to

500

vesic/o

urinary bladder

500

hematuria

blood in the urine

500

cystoscopy 

Direct visualization of the urethra and the urinary bladder with an endoscope.
500

renal biopsy

Removal of kidney tissue for microscopic examination. 

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