Final Answer:
The male accessory duct system includes the rete testis, vasa efferentia, epididymis, and vas deferens. The urethra, although crucial in reproduction, is not considered a part of this system.
Step-by-step explanation:
The male accessory duct system consists of the rete testis, vasa efferentia, epididymis, and the vas deferens. The urethra, however, is not typically considered a part of the accessory duct system in the context of male reproductive anatomy. The urethra serves a different function—it is a duct that plays a crucial role in both the reproductive and urinary systems.
The urethra carries urine from the bladder to the outside of the body and also serves as a passageway for semen during ejaculation. While the urethra is integral to the overall male reproductive system, it is conceptually distinct from the accessory duct system, which is specifically involved in the transport and maturation of sperm.