Nikolas
Created page with "== Prostate == thumb|Zones of the prostate The prostate is divided into several biologically distinct regions as seen on the image. Benign prostate hyperplasia (BPH) occurs in the transitional zone (TZ) and periurethral zone, while most cancers occur in the peripheral zone (PZ). The prostate is comprised of glands and stroma. The glands are comprised of two cell layers, a flat basal cell layer and a luminal columnar secretory cell lay..."
