MRI provided excellent delineation of the intraatrial membrane and the size of the membrane orifice.MRI能较清晰地显示左房内的异常隔膜和隔膜孔的大小....

intraatrial的音标：intraatrial的英式发音音标为：['ɪntrətrɪəl]intraatrial的美式发音音标为：['ɪntrətrɪrl]...

心房内的...