脑血管断层解剖（下）——断层解剖学精品课件

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1、vertebral-basilarA.S.vertebralartery1.thejourneyandsegmentsV1transverseforamen-segmentV2horizontalsegmentV3atlas-segmentV4foramenmagnum-segmentV5Intracalvarium-segment2.ThemainbranchesofIntracranialsegment:meningealbranches；anteriorspinalartery；medullaoblongatabranches；pos.inf.cerebellara.：it,

2、scharacteristicisslender，totakeplaceInfarcteasily。basilara.mainbranches：ant.Inf.cerebellara.labyrinthinea.pontinearteriessuperiorcerebellara.posteriorcerebrala.1.thejourneyandsegmentsP1horizontalsegment；P2microtubulesegment；P3temporalbranches；P4parietooccipitala./calcarinea.。2.mainbranches：cor

3、ticalbranches：inferiortemporala.(ant./mid./pos)calcarinea.parietooccipitala.afterpartofparietooccipitalsulcus,hemisphericmedialface。centralbranches：：brainstem、dorsalthalamus、hypothalamus、lateralgeniculatebody。Willis’circleThecompositionandpositionTheTypesandmutationofWillis’circleinChineseinmo

4、derntimesformprimitiveformtransitionformmixingformagenesisformthecerebralveinsCanbedividedintotwogroups:superficialgroupdeepgroupthesuperficialcerebralveinsThesuperiorcerebralveins：8～12strip，collectingbloodfromsurfaceofsuperolateralcerebralhemispheretosuperiorsagittalsinus。Thesuperficialmiddle

5、cerebralveins：collectingbloodfromsurfaceofsuperolateralcerebralhemispheretosuperiorsagittalsinus/transversesinus/cavernoussinus。theinferiorcerebralvein：1～7strip，collectingbloodfromsurfaceoflateralcerebralhemisphereorhemisphericinferiorfacetosuperiorsagittalsinus/transversesinus/cavernoussinus。

6、thedeepcerebralveinsThegreatcerebralv.（Galenveins）：Toformedbyleftandrightinternalcerebralveins,tocollectbloodtostraightsinus。Theinternalcerebralveins：leftandrightinternalcerebralveins。Thebasalvein（Rosenthalveins）：Toformedbyleftandrightanteriorcerebralveins/deepmiddlecerebralvein,tocollectblood

7、toThegreatcerebralv.Rosenthal’circleThevenabasaliscircle（Rosenthalcircle）：toformedbyanteriorcommunicatingveinsL.,R.anteriorcerebralveins，L.,R.peduncularveins，L.,R.basalveins。WilliscircleandRosenthalcircleillwithvasculartumorverycomman。