| 词汇 | occlusion |
| 释义 | occlusion noun specializeduk /əˈkluː.ʒən/ us /əˈkluː.ʒən/ occlusionnoun (BLOCK)[ C or U ] medical in medicine, something that blocks a tube or opening in the body, or when something is blocked or closed栓塞（医学术语，血管或体内开口处的阻塞） Digestive disorders achalasia acid reflux amoebiasis ancylostomiasis anti-diarrhoea appendicitis coeliac disease constipated dysphagia enteritis enterobiasis enterocele enterocolitis flatulence pancreatitis peritonitis primary sclerosing cholangitis proctitis PSC radiation enteritis occlusionnoun (TEETH)[ U ] medical in dentistry, the way in which your upper and lower teeth meet（牙科术语）上下牙齿的咬合 Dentistry brace central giant cell granuloma dam dental floss dental hygienist dental practitioner dental surgeon dentigerous cyst dentist dentistry extraction grind hygienist Novocaine odontologist odontology oral irrigator oral surgeon orthodontist toothpick occlusionnoun (WEATHER)[ C ] environment (alsooccluded front) a situation in the weather when two masses of air meet, especially when a mass of cold air reaches warm air and pushes the warm air up off the earth's surface锢囚锋（两个锋面相遇而形成的锋面，尤指冷空气将其前面的暖空气抬高而形成的锋面） Weather & climate - general words aneroid barometer anthelion aurora aurora australis aurora borealis climate climatology element forecast general circulation model glaciology glass interglacial isotherm low-pressure meteorologically microclimate pollen count rare rarefied Examples of occlusionocclusion Initial studies on in-utero tracheal occlusion were undertaken by tracheal ligation,111 using clipping of the fetal trachea. Also, additional procedures, such as balloon dilatation of stenotic pulmonary arteries or occlusion of systemic-to-pulmonary or venous-to-left atrial channels can be performed if required. Before the repeated attempts at transcatheter occlusion, all 14 patients underwent clinical reassessment, with repeated electrocardiograms and chest x-rays. Further extensive experimental investigation has allowed the process of tracheal occlusion to be refined by several groups. But occlusion of the aural never quite succeeds because voice leaves material remainders. Yet, with occlusion, important systemic venous collateral channels were seen connecting to the pulmonary veins. Three patients with a continuous murmur six months after the procedure underwent complete occlusion using a second device. The late mortality is usually due to occlusion of the shunts, which is normally independent of the underlying cardiac lesion. Complete occlusion or significant shunt reduction could be demonstrated 2-4 weeks after implantation. The progressive occlusion of major arteries has been reported and is associated with poor prognosis. This reinforced the view of cardiologists and the surgeons alike that surgical ligation resulted in virtually complete occlusion of the arterial duct. The slow process causing later occlusion might be due to slow obliteration of the shunt, possibly aggravated by an acute illness. The indications for occlusion are similar to those for surgical ligation, though in comparison the occlusion procedure has many restrictions. In three lambs the duct murmur had disappeared between four to seven days and stent occlusion was confirmed at angiography and autopsy. In occlusion, one is "amodally" aware of hidden surfaces. See all examples of occlusion These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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