Anterior cerebral artery syndrome
Anterior cerebral artery syndrome is a condition whereby the blood supply from the anterior cerebral artery ( ACA ) is restricted , leading to a reduction of the function of the portions of the brain supplied by that vessel: the medial aspects of the frontal and parietal lobes , basal ganglia , anterior fornix and anterior corpus callosum . 
<triplet> corpus callosum <subj> brain <obj> part of