Watch this video to learn about the Circle of Willis. In this video, the basic anatomy of the brain, from lateral aspect, the sagittal section, and the inferior view, is revised. The arterial supply of the brain and major arteries supplying the brain are elaborate. The circle of Willis is drawn separately and comprehensively explained. The clinical manifestation of hemorrhagic stroke and the ischemic stroke are elucidated. The transient ischemic attack is also defined. 0:17 Review of anatomy of cerebral hemisphere (lateral view) 0:52 Review of anatomy of cerebral hemisphere (sagittal section) 1:48 Inferior view of the brain 2:46 Arterial supply of brain 4:22 Circle of Willis 5:28 Clinical relevance 6:38 Ischemic stroke 7:43 Hemorrhagic stroke