Intracranial Venous System

Venous sinuses: locations on axial cuts (MRI of the brain after medium contrast administration) Venous sinuses: locations on sagittal and coronal slices (MRI of the brain after medium contrast administration) Venous sinuses of the brain: sequence Time-of-flight Intracranial Venous System The intracranial or cerebral venous system is a network of nerves made up of

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MRA of the Circle of Willis

These two photo galleries present the anatomy of Circle of Willis by means angio-MRI (Maximum Intensity Projection Time-Of-Flight). Circle of Willis: AP view with rotations Circle of Willis: lateral view with rotations The circle of Willis plays a crucial part in maintaining blood flow in the brain. The circle of Willis is where several

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Posterior cerebral artery

The posterior cerebral arteries arise from the division of Basilar artery. The posterior cerebral arteries end above the tentorium, in the calcarine sulcus. Posterior cerebral artery is divided into 4 parts: P1 segment courses from the basilar artery to the posterior communicating artery. The P1 segment passes over the oculomotor nerve (III). P2 segment

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The Anatomy of the Anterior Cerebral Artery

The Internal carotid artery divides into middle cerebral artery and anterior cerebral artery. The anterior cerebral artery enters the longitudinal interhemispheric fissure of the brain. The anterior communicating artery connects right anterior communicating artery to left anterior communicating artery. The anterior cerebral artery is divided into 3 parts: A1 segment, horizontal, get around in

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Middle Cerebral Artery

The Internal carotid artery divides into middle cerebral artery and anterior cerebral artery. The middle cerebral artery travels to the lateral fissure. The middle cerebral artery is divided into 4 parts: M1 segment, horizontal, from the internal carotid artery to the lateral fissure M2 segment, insular, designates the branches located inside the Sylvian fissure

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