Seminal vesicleArea of seminalcolliculusExternal urethralsphincterEjaculatory ductTransitionalzoneUrethraPeripheral zoneCentral zoneAnterior region(nonglandular)Penile urethraAmpulla of ductusdeferens
Fig. 5.49 Axial T2-weighted magnetic resonance images of prostate problems. A. A small prostatic cancer in the peripheral zone of a normal-sized prostate. B. Benign prostatic hypertrophy.