Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University The orifice of left The orifice of right The orifice of left coronary artery coronary artery coronary artery Post aortic sinus Aortic sinus and the orifices of left and right coronary arteries Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan UniversityCopy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Aortic sinus and the orifices of left and right coronary arteries The orifice of left coronary artery The orifice of right coronary artery Post.aortic sinus The orifice of left ? coronary artery