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26.9 MB (1.4 MB compressed)
3743 x 2516 pixels
31.8 x 21.3 cm ⏐ 12.5 x 8.4 in (300dpi)
GCA / SCIENCE PHOTO LIBRARY GCA / SCIENCE PHOTO LIBRARY
Bladder and prostate. Coloured ultrasound image of a human bladder and prostate gland. This sagittal section shows the bladder as a sac-shaped black object at upper centre and the prostate gland as a red rounded structure at lower centre. The bladder is a sac made of smooth muscle where urine is stored. The prostate gland is a male accessory sex gland which creates a component of semen. Ultrasound scanning uses extremely high frequency sound waves to create images of structures inside the body.
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