<prompt> Chief aery of lateral surface of cerebral hemisphereAnterior cerebral aeryPosterior cerebral aeryMiddle cerebral aeryPosterior inferior cerebellar aery  <response>: The chief aery of lateral surface of brain is middle cerebral aeryThe chief aeries of medial and inferior surfaces anterior cerebral aery and posterior cerebral aeries respectively.Ref: Vishram Singh textbook of clinical neuroanatomy Second Edition page 178 