Male Reproductive Organs
Three-dimensional visualization reconstructed from scanned human data. Lateral view of the male reproductive system, with a cross-sectional wedge removed from the testicle. The interior of the testicle is comprised of multiple lobules with a system of septa that channel sperm to the Rete testis, an anastomosis of tubules at the posterior of the testicle. From here sperm enter into the efferent ductules, the epididymis, and finally the vas deferens; they then travel through the ejaculatory ducts that pass through the prostate to the urethra, and exit the body as component of semen upon ejaculation.
The reproductive system or genital system is a system of sex organs within an organism which work together for the purpose of sexual reproduction. Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system. Unlike most organ systems, the sexes of differentiated species often have significant differences. These differences allow for a combination of genetic material between two individuals, which allows for the possibility of greater genetic fitness of the offspring.
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