1. The wing is a flattened evagination of the dorsal body wall.
翅是昆虫背板的片状翻出物。
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2. Methods:Echocardiography demonstrated saccular evagination of the ventricular wall in 3 patients. All patients underwent coronary angiography and ventriculography.
方法：超声心动图诊断的先天性心脏憩室3例，冠状动脉造影正常。
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3. Methods:Echocardiography demonstrated saccular evagination of the ventricular wall in 3 patients. All patients underwent coronary angiography and ventriculography.
