HELENE FOURNIE, ISM / SCIENCE PHOTO LIBRARY HELENE FOURNIE, ISM / SCIENCE PHOTO LIBRARY
Male urogenital anatomy. Artwork of a vertical section through the male urogenital system. Three systems exit the body through two orifices. The male urethra (within penis, bottom right) doubles as the exit for urine (from the bladder, yellow, centre) and reproductive fluids. These fluids include the sperm (reproductive cells) that are produced in the testes (one at left of penis). The sperm pass along the vas deferens tube (red) that loops over the pubic bone. Fluids are added from the prostate gland (red, below bladder), seminal vesicles (yellow, centre left) and Cowper's gland (yellow, below prostate gland). The rectum (centre left) expels faeces through the anus.
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