Posterior communicating aery is a branch of:
Posterior communicating aery is a branch of the cerebral pa of the internal carotid aery. The cerebral pa lies at the base of the brain.Ref: Human Anatomy, B D Chaurasia, 4th Edition, Volume 3, Chapter 6, Page 103.
Internal carotid
External carotid
Middle cerebral
Posterior superior cerebellar