Describe the anatomy of the epididymis. Describe the anatomy of the male urethra. Identify these portions of scrotal anatomy. What is the tunica vaginalis? What structures enter the urethra at the verumontanum? Book traversal links for Urethra ‹ What is the zonal anatomy of the prostate gland, and which disease processes typically arise in each zone? Up Describe the anatomy of the epididymis. ›