2025/2026 BLOOD CIRCULATION IN THE BRAIN NOTES

BLOOD CIRCULATION
IN THE BRAIN.
Notes by Eliasparamedic.

, TABLE OF CONTENTS: BLOOD CIRCULATION IN THE BRAIN

1. Introduction to Cerebral Circulation
- 1.1. Importance of Blood Flow to the Brain
- 1.2. Basic Overview of the Cerebral Vascular System
2. Arterial Supply of the Brain
- 2.1. The Internal Carotid Arteries and Their Branches
- 2.2. The Vertebrobasilar System and Its Branches
- 2.3. The Circle of Willis: Structure and Functional Significance
3. Venous Drainage of the Brain
- 3.1. Superficial Veins and Dural Sinuses
- 3.2. Deep Veins and the Great Cerebral Vein (of Galen)

,4. Regulation of Cerebral Blood Flow
- 4.1. Autoregulation Mechanisms
- 4.2. Metabolic and Chemical Controls (CO2, O2, pH)
- 4.3. Neural Control
5. Clinical Correlations
- 5.1. Ischemic Stroke
- 5.2. Hemorrhagic Stroke
- 5.3. Transient Ischemic Attack (TIA)
- 5.4. Cerebral Aneurysms
6. Summary

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