This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brainstem lesions and blood supply of CNS, Subject name: Anatomy
Aerial supply of hippocampus? 
Select and explain. 
A. Medial striate aery from middle cerebral aery, B. Lateral striate aery from middle cerebral aery, C. Anterior choroidal aery, D. Anterior cerebral aery
C: Anterior choroidal aery
Answer: C: Anterior choroidal aery 
Explanation: Internal carotid aery gives anterior choroidal aery, which branches & form anterior hippocampal aery. Posterior cerebral aery gives branches to middle & posterior hippocampal aery. Internal capsule & basal ganglia is supplied by the lenticulostriate branches of middle cerebral aery. Ischemia to hippocampus causes anterograde amnesia