FRANCOIS L'HOPITAL, ISM / SCIENCE PHOTO LIBRARY FRANCOIS L'HOPITAL, ISM / SCIENCE PHOTO LIBRARY
Colon with grape seeds. Endoscope view of a normal colon with grape seeds (lower left). This patient did not follow the dietary recommendations not to eat certain fruits before the colonoscopy. The main function of the colon is to reabsorb water, resulting in faeces to be stored in the rectum for excretion through the anus.
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