标题:正常人体胸廓解剖图-人体解剖图胸廓(thoracic cage)是胸腔壁的骨性基础和支架。胸廓由12个胸椎,12对肋骨(ribs),和1个胸骨(sternum)借关节、软骨连结而组成。胸廓(前面观)胸廓前面肌肉解剖图胸廓前壁内面观">