Testes Anatomy, Function, and Associated Conditions Each testicle is surrounded by three membranes: the inner tunica vasculosa (which delivers blood to the testes), the middle tunica albuginea (which stabilizes the testes and adjacent structures), and the outer tunica vaginalis (which helps lubricate the testes inside the scrotum) 2
Overview of the Male Anatomy | Johns Hopkins Medicine Epididymis A long tube that is located near each testicle The epididymis is the tube which moves the sperm from the testicles Vas deferens This is a tube in which the sperm is stored and it carries the sperm out of the scrotal sac The vas deferens is between the epididymis and the urethra and connects these together Seminal vesicles