| 词汇 | commissure |
| 释义 | commissure noun[ C ] medical specializeduk /ˈkɒm.ɪ.sjʊər/ us /ˈkɑː.mə.ʃʊr/ a surface where two parts meet, for example the lips合缝处;结合处 New growth in plants bud coccygeus collateral colli colliculus collum communis compartment complement system established eye nutrient cycling radicle radicular resprout shoot sprout sucker a band of nerves going from one side of the brain or spinal cord to the other to connect similar structures连合神经束 New growth in plants bud coccygeus collateral colli colliculus collum communis compartment complement system established eye nutrient cycling radicle radicular resprout shoot sprout sucker Examples of commissurecommissure There was moderate degree of residual leakage at two commissures (instead of one) of die tri-leaflet left atrioventricular valve (vertical plane of left ventricle). Anterior commissure fibers cross transversely (within a segment in cord) rather than diagonally. The valve is thickened; there is fusion of the commissures; and the border is edematous, scarred and contracted with small vegetations. A raphe, or false commissure, was present in all 13 cases. Motion is impaired by the fusion of the commissures. The posterior commissure gives off two small tracheoles on either side to the 10th abdominal segment. The posterior commissure of aortic valve was resuspended to the pericardial patch used to reconstruct the neopulmonary artery sinus. The cleft (septal commissure) in the left-sided valve is closed with mattress sutures buttressed with pericardial pledgets. Problems can also occur when there is a mismatch between the commissures of the aortic and pulmonary valves. The tricuspid valve is diffusely thickened with fusion of the commissures and fused and shortened tendinous cords. The folded heterobgous pericardium is rolled with the fold inside, and three commissures were made by continuous sutures from the outside. The use of a prosthetic ring, concentrating the plication at the commissures, is useful to compensate for the absence of commissural cords. The degree of closure of the septal commissure depends on careful sizing of the valve according to a nomogram. Roughly the first half had the commissure left open and 7 of these needed reoperation and commissural closure. Consequently, the commissures were pulled downwards and the base of each sinus was pulled upwards. See all examples of commissure 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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