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50.0 MB (50.0 MB compressed)
3414 x 5122 pixels
29.0 x 43.4 cm ⏐ 11.4 x 17.1 in (300dpi)
ART FOR SCIENCE / SCIENCE PHOTO LIBRARY ART FOR SCIENCE / SCIENCE PHOTO LIBRARY
Prostate gland. Anatomical artwork showing the underside of the bladder (red) in a man, with the prostate gland (yellow) at centre (upper image). The paired seminal vesicles are the bulbous structures at right and left (sectioned). The two tubes above them are the vas deferens and the ureter. The former loop upwards to bring sperm from the testes (not seen), over the ureters, and then down into the urethra. The ureters drain urine from the kidneys to the bladder. The prostate gland and seminal vesicles add fluids to the male ejaculate during sexual intercourse. The image at bottom shows a sideways section through these organs, including the urethra.
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