![246.心脏的外形和血管 (后面观)](https://imgs.zsbeike.com/imgs/B/B08031/b08031.0155.3.jpg)
 1.主动脉弓aorticarch2.右肺动脉rightpulmonaryartery3.上腔静脉superiorvenacava7.右冠状动脉rightcoronaryartery12.左肺动脉leftpulmonaryartery13.左心耳leftauricle20.左心室leftventricle22.左肺静脉leftpulmonaryvein23.左房斜静脉obliqueveinofleftatrium24.冠状沟coronarysu (共 498 字) [阅读本文] >>
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 1.主动脉弓aorticarch2.右肺动脉rightpulmonaryartery3.上腔静脉superiorvenacava7.右冠状动脉rightcoronaryartery12.左肺动脉leftpulmonaryartery13.左心耳leftauricle20.左心室leftventricle22.左肺静脉leftpulmonaryvein23.左房斜静脉obliqueveinofleftatrium24.冠状沟coronarysu (共 498 字) [阅读本文] >>