,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,心脏的解剖,心脏的解剖,概述,心脏的位置,A,心脏的外形,B,心腔,C,心的构造,D,心的传导,E,心的血管,F,概述心脏的位置A心脏的外形B心腔C心的构造D心的传导E心的血,心脏大小,本人拳头大小,心胸比例,45-50%,心脏大小本人拳头大小,一、心脏位置,胸腔,内，膈肌的上方,二肺之间。,2/3,位于身体正中线的左侧，,1/3,在右侧。,1/3,2/3,一、心脏位置胸腔内，膈肌的上方,二肺之间。1/32/3,毗邻,前,:,胸骨体,2-6,肋软骨,后：,5-8,胸椎,侧：胸膜腔和肺,上：大血管,下：膈,毗邻,心脏的外形,一尖（心尖）,一底（心底）,两面 胸肋面,膈面,下缘,三缘 左缘,右缘,冠状沟（房室沟）三沟 前室间沟,后室间沟,胸肋面,隔面,心底,心尖,后室间沟,后室间沟,心脏的外形一尖（心尖）胸肋面隔面心底心尖后室间沟后室间沟,心腔,心腔,（一）右心房,固有心房,腔静脉窦,界嵴,右心耳,界嵴,梳状肌,上、下腔静脉口,冠状窦口,右房室口,卵圆窝,（一）右心房固有心房腔静脉窦界嵴右心耳界嵴梳状肌上、下腔静脉,（二）右心室,窦部,（右心室流入道）,漏斗部,（流出道）（,动脉圆锥,）,室上嵴,为界,乳头肌,肺动脉口,右房室口,三尖瓣,三尖瓣环、三尖瓣、腱索和乳头肌在结构和功能上密切关连，合称,三尖瓣复合体。,肺动脉瓣,腱索,室上嵴,（二）右心室窦部（右心室流入道）漏斗部（流出道）,（三）左心房,前部：,后部：,左心耳,五个开口,左肺上、下静脉开口,右肺上、下静脉开口,左房室口,右肺上、下静脉开口,左心耳,左房室口,（三）左心房前部：后部：左心耳五个开口左肺上、下静脉开口右肺,（四）左心室,左房室口,主动脉口,窦部,（流入道）,主动脉前庭,（流出道）,二尖瓣前瓣为界,二尖瓣前瓣,二尖瓣后,瓣,腱索,因二尖瓣环、二尖瓣、腱索和乳头肌在功能和结构上密切关连，故合称二尖瓣复合体。,主动脉瓣,主动脉窦,左右冠状动脉开口,乳头肌,（四）左心室左房室口主动脉口窦部（流入道）主动脉前庭（流出道,血 流 方 向,血 流 方 向,四、心的构造,（一）心纤维骨骼,心肌和瓣膜附着处的纤维性支架称心纤维骨骼。,四、心的构造（一）心纤维骨骼心肌和瓣膜附着处的纤维性支架称心,（二）心壁：由心内膜、心肌层、心外膜构成。心室肌厚于心房肌，左心室肌厚于右心室肌。,（三）房间隔和室间隔,室间隔可分为膜部和肌部,室间隔膜部,室间隔肌部,（二）心壁：由心内膜、心肌层、心外膜构成。心室肌厚,传导路径,窦房结,房室结,房室束,左、右束支,浦肯野纤维网,心室肌细胞,窦房结,房室结,右束支,左束支,传导路径窦房结房室结房室束左、右束支浦肯野纤维网心室肌细胞窦,六、心的血管,（一）动脉,1,、右冠状动脉,2,、左冠状动脉,后室间支,后室间支 左右心室膈面心壁和室间隔后,1/3,部 旋支 左心房和左心室壁,左室后支,前室间支,旋支,前室间支,旋支,左右心室前壁的一部分和室间隔前,2/3,左心房和左心室壁,六、心的血管（一）动脉1、右冠状动脉2、左冠状动脉后室间支后,(,二）静脉,1,、心最小静脉,2,、心前静脉,心前静脉,3,、冠状窦,冠状窦,心大静脉,心中静脉,心小静脉,心中静脉,心小静脉,心大静脉,(二）静脉1、心最小静脉2、心前静脉心前静脉3、冠状窦冠状,左心室,主动脉,右心房,肺泡毛细血管,肺静脉,血液循环,左心室主动脉右心房肺泡毛细血管肺静脉血液循环,谢谢！,谢谢！,