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1、January,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG淋巴系统Lymphaticsystem兰州大学基础医学院人体解剖学教研室January,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG全身的淋巴管和淋巴结示意图J
2、anuary,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG第一节总论淋巴系统由淋巴管道、淋巴组织和淋巴器官组成。淋巴管道和淋巴结的淋巴窦内含有淋巴液，简称为淋巴。淋巴系统是心血管系统的辅助系统，协助静脉引流组织液。此外，淋巴器官和淋巴组织具有产生淋巴细胞，过滤淋巴和进行免疫应答的功能。January,2019Copyright©Depart.Anatomy,Scho
3、olofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG淋巴的循环过程示意图心脏淋巴导管↙↘↙↑动脉静脉←←↑↘毛细血管↗淋巴干↓↑↑组织间隙→毛细淋巴管→淋巴管↓↑细胞January,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG淋巴系统一、淋巴系统的组成和结构特点二、淋巴回流的因素三、淋巴侧支循
4、环January,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG１．淋巴管道２．淋巴组织３．淋巴器官一、淋巴系统的组成和结构特点January,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG毛细淋巴管淋巴管淋巴干（9条）淋巴
5、导管（2条）（一）淋巴管道January,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG毛细淋巴管（lymphaticcapillary）以膨大的盲端起始，互相吻合成毛细淋巴管网，汇入淋巴管。淋巴管（lymphaticvessel）由毛细淋巴管吻合而成，注入淋巴结。其管壁结构与静脉相似，内有瓣膜，可防止淋巴液回流，外观呈串珠样。淋巴管分为浅、深淋巴管两类，之间有丰富的
6、交通。January,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG淋巴干（lymphatictrunk）由淋巴结发出的淋巴管在膈下和颈根部汇合而成。其包括腰干、支气管纵隔干、锁骨下干、颈干各两条和一条肠干，共九条。淋巴导管（lymphaticduct）淋巴干合成两条淋巴导管，即胸导管和右淋巴导管，分别注入左、右静脉角。January,2019Copyright©De
7、part.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG淋巴干和淋巴导管January,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG（二）淋巴组织弥散淋巴组织（消化道和呼吸道粘膜固有层）淋巴小结孤立淋巴滤泡集合淋巴滤泡淋巴小结January,2019Copyrig
8、ht©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG（三）淋巴器官淋巴器官包括：淋巴结胸腺脾脏扁桃体January,2019Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.Allrightreser
