From Longman Dictionary of Contemporary Englishulcerul‧cer /ˈʌlsə $ -ər/ ●○○ noun [countable] MIa sore area on your skin or inside your body that may bleed or produce poisonous substances stomach ulcers —ulcerous adjective
Examples from the Corpus
ulcer• The finding of enhanced fasting gastrin concentrations in H pylori positive subjects and in duodenal ulcer disease can not easily be explained.• There are many models of duodenal ulcer - do we need a new one?• Treatment failure was defined as evidence by endoscopy of a recurrent duodenal ulcer crater.• In our previous study, the ratio of gastric to duodenal ulcers was 1.69 in Kinki district where Kyoto Prefecture is located.• From these findings, it can be suggested that pepsinogen genes are involved in the pathogenesis of peptic ulcer.• Nevertheless, the data suggest that if levels were more accurate they would have been lower in the peptic ulcer group.• a stomach ulcerOrigin ulcer (1300-1400) Latin ulcus 