单词 | ulcer |
释义 | ulcer (once / 1890 pages) n A canker sore is a common form of ulcer or open sore. An ulcer can be on an external surface like the mouth or an internal surface, like the stomach. They are caused by a break in skin or mucus membrane that won't heal. Ulcer comes from the Greek elkos meaning "wound." An ulcer is a wound or lesion that is inflamed and painful. Ulcers are commonly found in the stomach where they are called peptic ulcers. They are caused by a bacteria in the intestinal tract or an overuse of drugs that disturbs the lining of the digestive tract. An ulcer is very acidic and painful. I hope you don't get one. WORD FAMILYulcer: ulcerate, ulcerous, ulcers+/ulcerate: ulcerated, ulcerates, ulcerating, ulceration, ulcerative/ulceration: ulcerations USAGE EXAMPLESThe Roux-en-Y gastric bypass was intended as a cure for stomach ulcers. New York Times(Dec 27, 2016) Brooks was diagnosed with a stomach ulcer when he experienced similar symptoms playing for Houston. Washington Times(Dec 14, 2016) The Virginian-Pilot reported Stewart’s repeated requests for medical treatment were denied; he died of a perforated ulcer. Washington Post(Dec 12, 2016) n a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue Syn|Hypo|Hyper ulceration aphthous ulcer a blister on the mucous membranes of the lips or mouth or gastrointestinal tract bedsore, decubitus ulcer, pressure sorea chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients) chancroidinfectious venereal ulcer peptic ulcer, peptic ulcerationan ulcer of the mucous membrane lining of the alimentary tract canker, canker sorean ulceration (especially of the lips or lining of the mouth) noli-me-tangerea cancerous ulcer of soft tissue and bone nomaacute ulceration of the mucous membranes of the mouth or genitals; often seen in undernourished children duodenal ulcera peptic ulcer of the duodenum gastric ulcera peptic ulcer of the stomach lesion any localized abnormal structural change in a bodily part |
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