FRANCOIS L'HOPITAL, ISM / SCIENCE PHOTO LIBRARY FRANCOIS L'HOPITAL, ISM / SCIENCE PHOTO LIBRARY
Erosive duodenitis. Endoscope view of the duodenum (first part of the small intestine) of a patient with erosive duodenitis. Duodenitis is inflammation of the duodenum, in this case a severe form that erodes the gastrointestinal lining and causes ulcers.
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