Anterior interventricular branch is an extension of arterial cone branch and gives off branches to part of anterior wall of the left and right ventricle and cardiac apex et al.

• 结果表明：川金丝猴心脏左冠状动脉分为前降支和旋支。左缘支较粗, 是前降支的主要分支, 分支分布于左室侧壁和后壁的大部分。