A.兩側(cè)平對(duì)第2肋軟骨,向后平對(duì)第5胸椎體下緣 B.平對(duì)主動(dòng)脈弓與升、降主動(dòng)脈的分界處 C.平對(duì)氣管分為左、右主支氣管處 D.平對(duì)胸導(dǎo)管由右轉(zhuǎn)向左行處 E.平對(duì)左主支氣管與食管交叉處
A.在左鎖骨下動(dòng)脈和左鎖骨下靜脈之間入胸腔 B.向下越過主動(dòng)脈弓的左前方發(fā)出左喉返神經(jīng) C.至左肺根前方 D.下行至食管前面分散形成左食管叢 E.至食管下端匯合成迷走神經(jīng)左干,隨食管穿膈食管裂孔入腹腔
A.在右頸總動(dòng)脈和右鎖骨下動(dòng)脈之間入胸腔 B.沿氣管右側(cè)下行至肺根后方 C.下行至食管前方分散形成食管前叢 D.在叢的下端匯集成迷走神經(jīng)前干,隨食管入腹腔 E.右迷走神經(jīng)行經(jīng)主動(dòng)脈弓前方時(shí),發(fā)出右喉返神經(jīng)