三国大时 胸部境界 COLLEGE OF BASIC MEDICAL SCIENCES THIRD MILITARY MEDICAL UNIVERSITY ·胸腔:由胸壁和膈围成,内有胸膜、肺和纵隔,上通 颈部,下借膈与腹腔相隔 5THIRD MILITARY MEDICAL UNIVERSITY COLLEGE OF BASIC MEDICAL SCIENCES THIRD MILITARY MEDICAL UNIVERSITY COLLEGE OF BASIC MEDICAL SCIENCES THIRD MILITARY MEDICAL UNIVERSITY COLLEGE OF BASIC MEDICAL SCIENCES 5 • 胸腔：由胸壁和膈围成，内有胸膜、肺和纵隔，上通 颈部，下借膈与腹腔相隔 • 胸部境界