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13 Cards in this Set
- Front
- Back
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at 8 mL/100g of brain tissue ...
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complete loss of functional neurons, consciousness is loss within 10 seconds
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at 25 mL/100g of brain tissue...
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ischemic penumbra (O2 blood levels low) loss of brain cells
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Blood supply to the brain is derived from:
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- Internal Carotid Artery (paired)
- Vertebral Artery (paired) |
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Interior carotid artery bifurcates at:
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Fissure of Sylvius
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interruption of the ophthalmic artery...
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leads to loss of vision in the ipsilateral eye (before chiasm)
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These 2 arteries arise from the optic chiasm:
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- posterior communicating artery
- anterior choroidal artery |
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The anterior choroidal artery supplies:
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the choroid plexus located in inferior horn of lateral ventricle
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Anterior cerebral Artery (ACA)...
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smallest of the internal carotid artery branches; supplies most of the medial aspect of the brain
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____ connects the anterior cerebral arteries on the two sides
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anterior communicating artery connects the anterior cerebral arteries on the two sides
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medial-striate artery aka
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Recurrent Artery of Heubner
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Middle cerebral Artery...
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Largest artery, brings blood to the entire lateral aspect of each hemisphere including all 4 lobes
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Vertebro-basiloar circulation includes:
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- 2 vertebral arteries, the basilar artery, and their branches
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Vertebro-basilar circulation supplies:
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medulla, pons, mesencephalon and cerebellum
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