动脉系统Arterial system
兰州大学基础医学院人体解剖学研究所
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
动脉示意图
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
第一部分
动脉总论
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
动脉总论
动脉的定义
动脉的分布规律
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
一、动脉的定义
动脉(artery):指从心脏起始输送血液到全身各器官的血管。
由左心室发出的主动脉及各级分支运送动脉血;由右心室发出的肺动脉干及其分支则输送静脉血。
动脉干的分支,离开主干入器官前的一段称为器官外动脉,入器官后叫器官内动脉。
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
二、动脉的分布规律
器官外动脉的分布规律
器官内动脉的分布规律
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
上下肢的供血动脉
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
动脉血管分布特点
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
器官内动脉的分布与器官的构造有关,结构相似的器官其动脉分布状况大致相同。
实质性器官:放射型、纵行型和集中型
中空性器官:放射型、纵行型和横行型
分叶状器官:放射型
肌:沿肌纤维束走行
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
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