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本文是冠状动脉研究的继续,着重观察左冠状动脉及其分支。 材料与方法 所用材料为50例经福尔马林固定过的中国成人离体心脏(年龄、性别均无记载),先向左、右冠状动脉灌注红色乳胶,然后进行解剖及测量。 观察与测量结果 一、左冠状动脉的主干:左冠状动脉起于左主动脉窦,经肺动脉与左心耳之间走向前外方,其主干长度平均为1.24±0.35(0.6～2.1)cm,起始处外直径平均
This article is the continuation of coronary artery research, focusing on the left coronary artery and its branches. MATERIALS AND METHODS: Fifty adult Chinese adult isolated hearts (no record of age and sex) were fixed in formalin. The left and right coronary arteries were infused with red latex and then dissected and measured. Observation and measurement results First, the main coronary artery: the left coronary artery from the left aortic sinus, pulmonary artery and left atrial appendage toward the anteromedial, the average length of the main trunk 1.24 ± 0.35 (0.6 ~ 2.1) cm, The beginning of the outer diameter of the average