The villous branches of the posterior cerebral arteries are a branch of the dorsolateral artery that enters the pituitary gland. They are formed by branches of the craniospinal artery located at the base of the brain. The posterior villous medullary branches join the pituitary gland and provide its blood supply.
The villous posterior branch of the posterior cerebral artery (rami spina biliaris posterior) rises under the occipital lobe of the human brain hemisphere and forms a thickening on the thigh (small branches covered with papillae extend into branches), the concave posterior edge of which deflects the posterior cerebral artery across