Posterior Cerebral aery is a branch of:

Basilar aery (Ref: B.D. Chaurasia, 3rd Ed, Vol lll/Pg 300) Basilar aery & its branches: The basilar aery is formed by the union of the right & left veebral aeries, at the lower border of pons. It ascends in the midline, ventral to the pons & extends at its upper border by dividing into the right & the left Posterior cerebral aeries. It gives off the following branches: (a) Superior Cerebellar (b) Pontine (c) Labyrinthine (d) Anterior inferior Cerebellar