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Arterial Supply of Brain

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The Brain has a highly vascular blood supply, receiving about 15% of the cardiac output and utilizing 25% of the body’s total oxygen consumption. It is supplied by the internal carotid arteries and vertebral arteries, which form a complex anastomosis called the circle of Willis.

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File Name Arterial-Supply-of-Brain.pptx
File Size 1.63 MB
Number of Slides 21
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Arterial Supply of Brain PPT Summary

  1. The brain has a high metabolic rate and requires a dense arterial network for its blood supply.
  2. Interruption of blood supply to the brain can cause permanent neurological damage.
  3. The internal carotid artery has three parts: petrous, cavernous, and intracranial.
  4. The brain is also supplied by the vertebral arteries, which form the basilar artery.
  5. The circle of Willis is a large arterial anastomosis that connects the internal carotid and vertebrobasilar systems.


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