Tag: Posterior Cerebral Artery

November 5, 2025 / Mohammed looti

POSTERIOR CEREBRAL ARTERY

Introduction and General Anatomy The Posterior Cerebral Artery (PCA) is one of the brain’s primary arteries, integral to the posterior circulation system, and is responsible for supplying oxygenated blood to critical structures including the visual cortex, the thalamus, and significant portions of the medial and inferior temporal lobes. Originating from the terminal bifurcation of the […]

November 4, 2025 / Mohammed looti

POSTERIOR COMMUNICATING ARTERY

Introduction and Anatomical Context The Posterior Communicating Artery (PCoA) represents a pivotal anatomical structure within the cerebral vasculature, serving as a critical anastomosis that bridges the anterior and posterior circulatory systems of the brain. Originating from the internal carotid artery (ICA), this relatively short but vitally important vessel courses posteriorly to connect with the posterior […]