The left main coronary artery arises from the left coronary cusp and bifurcates into the left anterior descending (LAD) and the left circumflex coronary arteries. Since the left main supplies a ...

The anterior circulation consists of the right and left internal carotid arteries (ICA) which bifurcate into the anterior cerebral artery (ACA) and middle cerebral artery (MCA) (Figure 1).

An anterior myocardial infarction results from occlusion of the left anterior descending coronary artery. This can cause an ST elevation myocardial infarction or a non-ST segment elevation ...

The posterior cerebral arteries branch off from the basilar artery. The left and right PCAs form the ... In the circle of Willis, the anterior arteries supply blood and oxygen to the front of ...