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.,TheTelencephalon,山东大学医学院解剖教研室李振华,.,Externalfeature,Thetelencephalonconsistsofrightandleftcerebralhemisphere,partiallyseparatedbycerebrallongitudinalfissure.ThecerebraltransversefissureintervenesbetweenthehemispheresandthecerebellumEachhemispherehasthreesurfaces:superolateral,medialandinferior,.,ThreeprincipalsulciCentralsulcus中央沟Lateralsulcus外侧沟Parietooccipitalsulcus顶枕沟,Centralsulcus,Lateralsulcus,Parietooccipitalsulcus,.,FivelobesFrontallobe额叶Parietallobe顶叶Temporallobe颞叶Occipitallobe枕叶Insularlobe岛叶,Frontallobe,Parietallobe,Occipitallobe,Temporallobe,Insularlobe,.,SulciandgyriofSuperolateralsurface,Frontallobe:Precentralsulcus中央前沟Superiorfrontalsulcus额上沟Inferiorfrontalsulcus额下沟Precentralgyrus中央前回Superiorfrontalgyrus额上回Middlefrontalgyrus额中回Inferiorfrontalgyrus额下回,.,SulciandgyriofSuperolateralsurface,Precentralsulcus,Precentralgyrus,Superiorfrontalsulcus,Inferiorfrontalsulcus,Superior,middleandinferioefrontalgyri,.,Parietallobe:Postcentralsulcus中央后沟Postcentralgyrus中央后回Intraparietalsulcus顶内沟Superiorparietallobule顶上小叶Inferiorparietallobule顶下小叶Supramarginalgyrus缘上回Angulargyrus角回,.,SulciandgyriofSuperolateralsurface,Postcentralsulcus,Postcentralgyrus,Superiorparietallobule,Supramarginalgyrus,Angulargyrus,Intraparietalsulcus,.,Temporallobe:Superiortemporalsulcus颞上沟Inferiortemporalsulcus颞下沟Superiortemporalgyrus颞上回Middletemporalgyrus颞中回Inferiortemporalgyrus颞下回Transversetemporalgyri颞横回,.,SulciandgyriofSuperolateralsurface,Superiortemporalsulcus,Inferiortemporalsulcus,Superiortemporalgyrus,Middletemporalgyrus,Inferiortemporalgyrus,.,Transversetemporalgyri,.,SulciandgyriofSuperolateralsurface,Precentralsulcus,Precentralgyrus,Superiorfrontalsulcus,Inferiorfrontalsulcus,Superior,middleandinferioefrontalgyri,Postcentralsulcus,Postcentralgyrus,Superiorparietallobule,Supramarginalgyrus,Angulargyrus,Superiortemporalsulcus,Inferiortemporalsulcus,Superiortemporalgyrus,Middletemporalgyrus,Inferiortemporalgyrus,.,Sulciandgyriofmedialsurface,Corpuscallosum胼胝体Callosalsulcus胼胝体沟Cingulatesulcus扣带沟Cingulategyrus扣带回Marginalramus缘支Paracentrallobule中央旁小叶Calcarinesulcus距状沟Cuneus楔叶Lingualgyrus舌回,.,Sulciandgyriofmedialsurface,Corpuscallosum,Callosalsulcus,cingulategyrus,Cingulatesulcus,Marginalramus,Paracentrallobule,Calcarinesulcus,Cuneus,Parietooccipitalsulcus,Lingualgyrus,.,Sulciandgyriofinferiorsurface,Olfactorybulb嗅球Olfactorytract嗅束Olfactorytrigone嗅三角Anteriorperforatedsubstance前穿质Collateralsulcus侧副沟Occipitotemporalsulcus枕颞沟Medialoccipitotemporalgyrus枕颞内侧回Lateraloccipitotemporalgyrus枕颞外侧回Hippocampalsulcus海马沟Parahippocampalgyrus海马旁回Uncus钩Hippocampus海马Dentategyrus齿状回,Hippocampalformation海马结构,.,Inferiorsurface,Olfactorybulb,Olfactorytract,Olfactorytrigone,Anteriorperforatedsubstance,Collateralsulcus,Occipitotemporalsulcus,Medialandlateraloccipitotemporalgyri,Parahippocampalgyrus,Uncus,.,Hippocampus,Dentategyrus,Hippocampalformation,.,Histologyofthecerebralcortex,Archicortex原皮质(hippocampalformation海马结构)Paleocortex古皮质(rhinencephalon嗅脑)Neocortex新皮质(mostofcerebralcortex),3celllayers,6celllayers,.,.,Functionallocationofcerebralcortex,.,Firstsomaticmotorarea第一躯体运动区,Position:locatedinprecentralgyrusandanteriorportionofparacentrallobule,.,Firstsomaticmotorarea第一躯体运动区,CharactersRepresentationisinverted,butheadandfaceareuprightAbodypartisrepresentedbyacorticalareaproportionaltoitsuseratherthanitssizeReceivingfibersfrompostcentralgyrus,VA,VLandVPL,sendingoutfiberstoformpyramidaltract,controllingvoluntarymovements,.,Firstsomaticsensoryarea第一躯体感觉区,Positionliesinpostcentralgyrusandposteriorportionofparacentrallobule,.,Firstsomaticsensoryarea第一躯体感觉区,CharactersSensoryrepresentation,likemotorarea,iscrossedandinvertedReceivingandinterpretsensationfromoppositesideofbody,.,Auditoryarea听区,LocatedintransversetemporalgyriReceiveauditoryinformationfrombothears,.,Visualarea视区,LieoneithersideofcalcarinesulcusinmedialsurfaceofoccipitallobeVisualcortexofonehemispherereceivesimpressionfromtemporalpartofretinaofsamesideandnasalpartofoppositesideLesionsofvisualcortexproducecontralateralhomonymousvisualfielddefections,.,Vestibulararea平衡觉区:locatedinfrontofsuperiortemporalgyrusOlfactoryarea嗅觉区:locatedneartheuncusTastearea味觉区:locatedatfrontaloperculum,.,Languagearea语言中枢,Itisdominantinlefthemisphereinright-handedpersonMotorspeecharea运动性语言中枢LocatedinposteriorportionofinferiorfrontalgyrusDamage:motoraphasiaWritingarea书写中枢LocatedinposteriorportionofmiddlefrontalgyrusDamage:agraphiaAuditoryspeecharea听觉性语言中枢LocatedinposteriorportionofsuperiortemporalgyrusLesion:sensoryaphasiaVisualspeecharea视觉性语言中枢LocatedinangulargyrusLesion:alexia,.,Lateralventricle侧脑室Position:locatedincerebralhemispheresFourpartsCentralpart:liesinparietallobeAnteriorhorn:extendsintofrontallobePosteriorhornextendintooccipitallobeInferiorhorn:extendintotemporallobe,Internalstructures,.,Communicationlateralventricleinterventricularforamenthirdventricle,.,Basalnuclei基底核,Corpusstriatum纹状体Lentiformnucleus豆状核Caudatenucleus尾状核Claustrum屏状核Amygdaloidbody杏仁体,Globuspallidus苍白球,putamen壳,Neostriatum新纹状体,paleostriatum旧纹状体,.,.,Whitematter,Associationfibers联络纤维RunbetweengyriwithinthesamehemisphereCerebralarcuatefibers大脑弓状纤维Superiorlongitudinalfasciculi上纵束Inferiorlongitudinalfasciculi下纵束Uncinatefasciculus钩束Cingulum扣带,.,Commissuralfibers连合纤维runbetweenleftandrighthemisphereCorpuscallosum胼胝体:rostrum,genu,trunk,spleniumAnteriorcommissure前连合Fornixandcommissureoffornix穹隆和穹隆连合,.,Projectionfibers投射纤维:connectcortexwithlowerpartofbrainandspinalcordandtheyincludebothascendinganddescendingfibersInternalcapsulePosition:athicklaminaofwhitematterlyingbetweencaudatenucleus,thalamusandlentiformnucleus,.,.,ThreepartsAnteriorlimbofinternalcapsule内囊前肢LiesbetweencaudatenucleusandlentiformnucleusContainingfrontopontinetractandanteriorthalamicradiationGenuofinternalcapsule内囊膝IsangleatwhichanteriorandposteriorlimbsmeetContainingcorticonucleartractPosteriorlimbofinternalcapsule内囊后肢LiesbetweenthalamusandlentiformnucleusContaincorticospinaltract,corticorubraltract,centralthalamicradiation,parieto-occipito-temporo-pontinetract,acousticradiationandopticradiation,.,Anteriorthalamicradiati
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