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1、,August 30,2005,基 础,By Lijiang,心脏位于胸腔的前下部，中纵隔内。心脏相当本人拳头大小，平均重量260克。,2/3,45度,2-6 肋,5-8胸椎,By Lijiang,前上有胸腺,后有气管食道左迷走神经胸主动脉,By Lijiang,心包是包裹心脏和出入心脏大血管根部的纤维浆膜性囊，圆锥状。,纤维性心包：外层，纤维结缔组织构成，底部和膈中心腱愈着，上部出口有大血管。,浆膜性心包,壁层,脏层：心外膜,心包腔，心包液,By Lijiang,By Lijiang,界嵴,固有心房,腔静脉窦,2mm,57ml,By Lijiang,流入道,流出道,室上嵴,85ml,By L
2、ijiang,LA:3mm,57ml,By Lijiang,9-10mm,85ml,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,心壁由心内膜，心外膜，心肌层和心脏的纤维支架构成。,By Lijiang,冠 状 血 管 解 剖,一.左冠状动脉(Left Coronary Artery)前降支(Anterior Descending Branch）右室前支(Anterior Right Ventricular Branch)左室前支(Anterior Left Ventricular Branch)前间隔支(Anterior Ven
3、tricular Septal Branch)回旋支(Circumflex Branch）左室前支(Anterior Left Ventricular Branch)左缘支(Left Marginal Branch)左室后支(Posterior Left Ventricular Branch)左房支(Left Atrial Branch)Kugel Artery,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,By Lijiang,The E,
