Occlusion of internal carotid artery

The middle cerebral artery (MCA) is one of the three major paired arteries that supply blood to the cerebrum. The MCA arises from the internal carotid and continues into the lateral sulcus where it then branches and projects to many parts of the lateral cerebral cortex. [Source: Wikipedia ]

ICA occlusion
Internal carotid artery occlusion
Occlusion of ICA
May Cause
Collateral cerebral circulation
Large vascular grooves of skull