
 1.咽下缩肌inferiorconstrictorofpharynx2.食管esophagus3.气管trachea4.右主支气管rightprincipalbronchus5.气管杈bifurcationoftrachea6.左主支气管leftprincipalbronchus7.气管膜壁membranouswalloftrachea8.咽下缩肌环咽部cricopharyngealpartofinferiorconstrictorofpharynx9.会厌ep (共 241 字) [阅读本文] >>


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