代号：4217 页次：4-1 1 下列有关左主支气管（left principal bronchus）的叙述，何者错误？ 较右主支气管窄 较右主支气管垂直 经行于主动脉弓下方 经行于食道前方 2 下列背部内在肌何者不属于横突棘肌群...
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气管分为左右两支, 分别为 "左主支气管" (left main bronchus) 和 "右主支气管" (right main bronchus).
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... 左支气管纵隔干 left bronchomediastinal trunk 左主支气管 bronchus principalis sinister 坐股韧带 ischiofemoral ligament ...
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图示肿瘤导致左主支气管阻塞，因此远端肺组织塌陷。
The tumor seen here has caused obstruction of the main bronchus to left lung so that the distal lung is collapsed.
袖式右全肺切除（左主支气管-气管端端吻合）合并部分左心房切除术1例；
Right sleeve pneumonectomy combined with partial resection and reconstruction of left atrium in 1 case;
结论：本动物实验表明，采用分期自体左主支气管移植、修复气管缺损是可行的。
Conclusions: The animal study shows that it is feasible to repair tracheal defects with main bronchus by a 2-stage autotransplantation procedure.
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