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ischemic penumbra |
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ischemic penumbra, an area of moderately ischemic brain tissue surrounding an area of more severe ischemia. Theoretically, blood flow to this area may be enhanced in order to prevent the spread of a cerebral infarction. ischemic penumbra Neurology An ischemic zone in the brain at risk of infarction, which lies in a 'no-man's land' between a zone of low blood flow–< 25 ml/100 mg brain tissue/min and a zone where brain tissue is
undergoing necrosis–flow–< 8 ml/100 mg/min. Cf Hemorrhagic stroke. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| As described, there is an ischemic penumbra around poorly oxygenated brain cells. |
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