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1、胸部January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG内容一、胸壁二、膈三、胸膜和胸膜腔、肺四、纵隔January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG胸壁内容：（一）浅层结构（二）深层结构（三）胸壁的动脉January,2
2、007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG（一）浅层结构1.浅血管2.皮神经3.乳房January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG1.乳房mamma（1）结构乳房由皮肤、乳腺、脂肪组织和纤维组织构成。纤维组织主要包绕乳腺，并有纤
3、维隔嵌入乳腺叶之间，将乳腺分为15~20个乳腺叶。January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG输乳管：每一乳腺叶有一输乳管。乳腺叶和输乳管围绕乳头呈放射状排列，输乳管在乳晕处膨大为输乳管窦，开口于乳头。January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.Allrightreserv
4、edbyYPHOUandYFSONG又称Cooper韧带，为连于乳房皮肤与乳腺深面的胸筋膜之间的许多纤维组织小束，对乳房起固定作用。乳房悬韧带:January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG乳癌早期，乳房悬韧带可受侵犯而缩短，牵拉表面皮肤产生一些凹陷，这是乳癌早期的常见体征。January,2007Copyright©Depart.Anatomy,SchoolofMedic
5、ine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG为浅筋膜深层与胸肌筋膜间的间隙，内有疏松结缔组织、脂肪、淋巴管。乳房后隙:January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG(1)肋间后动脉(第2~4肋间后动脉的分支为大)(2)胸外侧动脉(3)胸廓内动脉(4)胸肩峰动脉（2）乳房的动脉供应January,2007Copy
6、right©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG乳房外侧部和中央部的淋巴→胸肌淋巴结。这是乳房淋巴回流的主要途径。（3）乳房的淋巴引流January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG乳房上部的淋巴→尖淋巴结和锁骨上淋巴结。January,2007Co
7、pyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG乳房内侧部的淋巴→胸骨旁淋巴结。乳房内侧部的浅淋巴管与对侧乳房淋巴管相交通。January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG乳房深部的淋巴管穿胸大肌→胸肌间淋巴结或尖淋巴结。乳房内下部的淋巴管通过腹
8、壁和膈下淋巴管与肝的淋巴管相交通。January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYF
