14.动脉系统 PPT课件.ppt

January, 2007 Copyright ? Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG 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 动脉总论一、动脉的定义二、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。①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。②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 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 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 ,结构相似的器官其动脉分布状况大致相同。①实质性器官:放射型、纵行型和集中型②中空性器官:放射型、纵行型和横行型③分叶状器官:放射型④肌:沿肌纤维束走行