| 单词 | barium |
| 释义 | barium From Longman Dictionary of Contemporary EnglishElementsbariumba‧ri‧um /ˈbeəriəm $ ˈber-/ noun [uncountable]1 HCEa soft silver-white metal that is used to make pigments (=dry coloured powders used to make paints). It is a chemical element: symbol Ba2 → a barium meal/enema/swallowExamples from the Corpusbarium• Barium follow-through, gastroscopy, sigmoidoscopy, barium enema, abdominal ultrasound scan, and chest radiograph were all normal.• So I went to see a man in Devonshire Place and he sent me down the road for a barium meal X-ray.• Three patients refused endoscopy, two refused sigmoidoscopy, and nine patients refused to have a barium enema or colonoscopic examination.• A small bowel barium meal and colonoscopy were performed in eight cases and gastric endosonography was performed in one patient.• In this series we feel that no carcinoma was missed by barium enema in view of the follow up exceeding four years.• If dysphagia persisted despite dilatation, barium swallow examination was undertaken to assess the oesophageal lumen.• At the onset she had been referred to a surgeon and had a normal barium enema and chest x ray.• In the Somogyi-Nelson procedure, barium hydroxide a d zinc sulfate are used to precipitate proteins.Origin barium (1800-1900) Greek barytes “weight” |
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