noun
- an open sore on the skin or on a mucous membrane inside the body that is slow to heal
Examples
- The doctor diagnosed him with a stomach ulcer.
- Stress and spicy foods can worsen peptic ulcers.
- She developed a painful ulcer on her tongue.
- The medication helped heal his duodenal ulcer.
- Mouth ulcers can make eating difficult.
- His leg ulcer required daily wound care.