FRANCOIS L'HOPITAL, ISM / SCIENCE PHOTO LIBRARY FRANCOIS L'HOPITAL, ISM / SCIENCE PHOTO LIBRARY
Blood vessels in the rectum. Endoscope view of the mucosa of the normal rectum with branching blood vessels (red), an example of vascularization. The rectum is the final part of the digestive system, used to store faeces prior to removal via the anus.
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