interventricular branch of left coronary artery

例句：

1. 1. The left ventricular branch of the coronary artery is responsible for delivering blood to the heart's muscle layers.
   左冠状动脉的室间支负责将血液输送到心脏肌肉层。
2. 2. During surgery, the surgeon carefully dissects the interventricular branch to avoid damaging the heart tissue.
   在手术中，外科医生小心地分离室间支以避免损伤心脏组织。
3. 3. The patient was diagnosed with a blockage in the interventricular branch, which required immediate intervention.
   患者被诊断出室间支阻塞，需要立即干预。