MacVicar, Brian.
Astrocyte control of cerebral blood vessels [electronic resource] / Brian A. MacVicar. - London : Henry Stewart Talks, 2010. - 1 online resource (1 streaming video file (47 min.) : color, sound). - The biomedical & life sciences collection, 2056-452X . - Henry Stewart talks. Biomedical & life sciences collection. .
Animated audio-visual presentation with synchronized narration. Title from title frames.
Contents: The regulation of the blood supply of the brain -- Functions of astrocytes -- Astrocytes all have endfeet -- Astrocyte endfeet enwrap all cerebral blood vessels -- The modulators of cerebral blood flow -- Astrocyte calcium waves cause vasoconstriction -- Astrocytes and vascular dynamics -- Functional impact of astrocyte induced constrictions -- Dilation is more complicated -- Can changing levels of O2 and lactate modify vasculature control by astrocytes? -- Tissue pO2 levels -- Complex regulation of dilation by metabolism -- Changing oxygen levels -- Astrocytes express both cyclooxygenase -1 and -2 -- Prostaglandin transporters -- Is there a relationship between lactate and PGE2? -- Why are vasoconstrictions not observed in low O2? -- Brain metabolic state dictates the polarity of astrocyte control over the cerebrovasculature.
Access restricted to subscribers.
Mode of access: World Wide Web.
2462 Henry Stewart Talks
Astrocytes--metabolism.
Brain--blood supply.
Brain--metabolism.
Vasocontriction--physiology.
Vasodilation--physiology.
Astrocyte control of cerebral blood vessels [electronic resource] / Brian A. MacVicar. - London : Henry Stewart Talks, 2010. - 1 online resource (1 streaming video file (47 min.) : color, sound). - The biomedical & life sciences collection, 2056-452X . - Henry Stewart talks. Biomedical & life sciences collection. .
Animated audio-visual presentation with synchronized narration. Title from title frames.
Contents: The regulation of the blood supply of the brain -- Functions of astrocytes -- Astrocytes all have endfeet -- Astrocyte endfeet enwrap all cerebral blood vessels -- The modulators of cerebral blood flow -- Astrocyte calcium waves cause vasoconstriction -- Astrocytes and vascular dynamics -- Functional impact of astrocyte induced constrictions -- Dilation is more complicated -- Can changing levels of O2 and lactate modify vasculature control by astrocytes? -- Tissue pO2 levels -- Complex regulation of dilation by metabolism -- Changing oxygen levels -- Astrocytes express both cyclooxygenase -1 and -2 -- Prostaglandin transporters -- Is there a relationship between lactate and PGE2? -- Why are vasoconstrictions not observed in low O2? -- Brain metabolic state dictates the polarity of astrocyte control over the cerebrovasculature.
Access restricted to subscribers.
Mode of access: World Wide Web.
2462 Henry Stewart Talks
Astrocytes--metabolism.
Brain--blood supply.
Brain--metabolism.
Vasocontriction--physiology.
Vasodilation--physiology.