Prefix 
                in-
In
-poietin
Substance that forms
Mast/o
Breast
urethritis
Inflammation of the urethra
Renal Biopsy
Removal of kidney tissue for microscopic examination
Intra-
Within
-tocia
Labor, birth
Trigon/o
Trigone (region of bladder)
Gynecomastia
Condtion of female breasts (enlarged) in a male
Nulli-
No, not, none
Endo-
Within
-parous
Bearing, bringing forth
O/o
Egg
Callectasis
Dilation of a calyx
-salpinx
Fallopian tube
Dys-
Painful
-version
Act of turning
Pyel/o
Renal pelvis
Multigravida
Woman has had more than one pregnancy
Prim-
First
Retro-
Backward
-tripsy
Crushing
Vesic/o
Urinary bladder
Enuresis
Bedwetting
Polydipsia
Condition of increased thirst