Definition of Ulcer
an open sore or blister on the internal surface of the body
Examples of Ulcer in a sentence
The doctor explained that the patient’s painful peptic ulcer was caused by a break in the lining of the stomach.
Putting numbing cream on the ulcer, Riley hoped that the painful sore in his mouth would be gone by Monday.
Because the open sore in his small intestine wouldn’t heal on its own, Charles had to see a specialist about the ulcer.
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