There is a semilunar valve where the aorta leaves the left ventricle and another where the pulmonary artery leaves the right ventricle. Blood vessels leading into and out of the heart There are ...

Superimposed structures, such as the atria and appendages, pulmonary ... artery continues at the anterior side of the heart between the right and left ventricle. Several diagonal branches cross ...

The posterior cerebral arteries branch off from the basilar artery. The left and right PCAs form the longest sections of the ...