part of part of Homo sapiens prostate gland reproductive structure zone of organ transition zone of prostate https://cdn.humanatlas.io/digital-objects/ref-organ/prostate-male/v1.2/assets/3d-vh-m-prostate.glb The region of the prostate gland anterior to the central and peripheral zones, surrounding the proximal urethra. It is the zone of the human prostate gland that grows the most throughout life, and is responsible for benign prostatic hypertrophy. UBERON:8410025 transition zone of human prostate prostate transition zone Paola Roncaglia