English > ulcer: 1 sense > noun 1, state| Meaning | A circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue. |
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| Synonym | ulceration |
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| Narrower | aphthous ulcer | A blister on the mucous membranes of the lips or mouth or gastrointestinal tract |
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| bedsore, pressure sore, decubitus ulcer | A chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients) |
| canker, canker sore | An ulceration (especially of the lips or lining of the mouth) |
| chancroid | infectious venereal ulcer |
| noli-me-tangere | A cancerous ulcer of soft tissue and bone |
| noma | Acute ulceration of the mucous membranes of the mouth or genitals |
| peptic ulcer, peptic ulceration | An ulcer of the mucous membrane lining of the alimentary tract |
| Broader | lesion | Any localized abnormal structural change in a bodily part |
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| Spanish | llaga, ulceración, úlcera |
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| Catalan | nafra, plaga, ulceració, úlcera |
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| Adjectives | ulcerous | having an ulcer or canker |
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| Verbs | ulcerate | affect with an ulcer |
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| ulcerate | undergo ulceration |
