You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Posterior cerebral aery is a branch of which of these? and explain in detail?
Posterior cerebral aeries are the terminal branches of basilar aery. Basilar aery is formed by the union of two veebral aeries at the lower border of pons.It ascends in the basilar sulcus on the ventral aspect of the pons in the cisterna pontis and terminates at the upper border of pons by dividing into left and right posterior cerebral aeries. (Ref: Vishram Singh textbook of clinical neuroanatomy, second edition pg - 174)