<prompt> Posterior communicating aery is branch ofInternal carotid aeryExternal carotid aeryMiddle cerebral aeryPosterior cerebral aery  <response>: Posterior communicating aery arises close to the termination of internal carotid aery. Other branches of cerebral pa internal carotid aery are: Ophthalmic aery Anterior cerebral aery Middle cerebral aery Anterior choroidal aery Posterior cerebral aery is a branch of basilar aery. Ref: Vishram Singh textbook of clinical neuroanatomy 2nd edition, pg- 176 