Left coronary artery: Function and Diagram
左冠状动脉：功能和图解
The coronary circulation is responsible for nourishing the heart during its tireless effort in pumping blood around the body.
冠状动脉循环负责在心脏持续向全身泵血的过程中滋养心脏。
The first branches that radiate from the ascending aorta as it emerges from the left ventricle are the left and right coronary arteries, which directly provide an arterial blood supply to the cardiac muscle.
升主动脉起自于左心室，其第一个分支是左、右冠状动脉，它们直接向心肌提供动脉血供。
As just mentioned, the focus of this tutorial is the left coronary artery which you can see highlighted in green on this image of the anterior view of the heart.
如前所述，这个教程主要介绍左冠状动脉，如心脏前视图图像中绿色高亮区域所示。
The left coronary artery, along with the right, arises from the bilateral aortic sinuses which are situated just distal to the aortic valve and runs between the left atrium and the trunk of the pulmonary artery.
左冠状动脉和右冠状动脉起源于左、右主动脉窦，双侧主动脉窦位于主动脉瓣远端，走行于左心房和肺动脉干之间。
It supplies the left atrium, a large portion of the left ventricle, a small portion of the right ventricle, the interventricular septum, and the sinoatrial node in approximately forty percent of the population.
在约 40% 的人群中，左冠状动脉供应左心房、大部分左心室、一小部分右心室、室间隔和窦房结。
Its two main branches consist of the circumflex branch that supplies the posterior surface of the heart by running on its left side within the atrioventricular groove.
它的两大分支由回旋支组成，回旋支在左房室沟内走行，供应心脏后表面。
The anterior interventricular branch which runs inferiorly down the interventricular groove to the cardiac apex where it anastomosis with the posterior interventricular artery.
前室间支沿室间沟下行延伸至心尖，与右冠状动脉的后室间支吻合。
相关单词学习
Interventricular
①发音和释义
in·ter·ven·tric·u·lar/ɪntəven'trɪkjʊlə(r)/adj. 心室间的
Between the ventricles of the heart.
单词 interventricular 由下列成分构成
inter-（前缀）在…之间
+
ventricular 心室的
（图源：太帅图库）
（图源：太帅图库）
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老马识途。
