脑血管断层解剖（下）——断层解剖学精品课件

vertebral-basilar A.S.vertebral artery1. the journey and segmentsV1 transverse foramen-segmentV2 horizontal segmentV3 atlas-segmentV4 foramen magnum-segmentV5 Intracalvarium-segment2. The main branches of Intracranial segment: meningeal branches；anterior spinal artery；medulla oblongata branches ；pos. inf. cerebellar a.：it,s characteristic is slender，to take place Infarct easily。 basilar a.main branches：ant. Inf.cerebellar a.labyrinthine a.pontine arteriessuperior cerebellar a.posterior cerebral a.1. the journey and segmentsP1 horizontal segment；P2 microtubule segment；P3 temporal branches ；P4 parietooccipital a. / calcarine a.。2. main branches：cortical branches： inferior temporal a. (ant. / mid. / pos )calcarine a.parietooccipital a.after part of parietooccipital sulcus, hemispheric medial face。central branches： ：brain stem、dorsal thalamus、hypothalamus、lateral geniculate body。WilliscircleThe composition and positionThe Types and mutation of Williscircle in Chinesein modern times form primitive form transition formmixing form agenesis formthe cerebral veinsCan be divided into two groups:superficial groupdeep groupthe superficial cerebral veinslThe superior cerebral veins ：8 12strip， collecting blood from surface of superolateral cerebral hemisphere to superior sagittal sinus。lThe superficial middle cerebral veins ： collecting blood from surface of superolateral cerebral hemisphere to superior sagittal sinus / transverse sinus/cavernous sinus 。lthe inferior cerebral vein ：1 7 strip ， collecting blood from surface of lateral cerebral hemisphere or hemisph