The thalamus is a large mass of gray matter located in the dorsal part of the diencephalon Nerve fibers project out of the thalamus to the cerebral cortex ...ThalamusFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchPartofthebrainresponsibleforrelayingsensorysignalsandtheregulationofconsciousness,sleep,andalertnessThisarticleisabouttheportionofthehumanbrain.FortheBritishvideogamedeveloper,seeThalamusLtd.ThalamusThalamusmarked(MRIcross-section)Thethalamusina360°rotationDetailsPartofDiencephalonPartsSeeListofthalamicnucleiArteryPosteriorcerebralarteryandbranchesIdentifiersLatinthalamusdorsalisMeSHD013788NeuroNames300NeuroLexIDbirnlex_954TA98A14.1.08.101A14.1.08.601TA25678TEE5.14.3.4.2.1.8FMA62007Anatomicaltermsofneuroanatomy[editonWikidata]Thethalamus(fromGreekθάλαμος,"chamber")[1]isalargemassofgraymatterlocatedinthedorsalpartofthediencephalon(adivisionoftheforebrain).Nervefibersprojectoutofthethalamustothecerebralcortexinalldirections,allowinghub-likeexchangesofinformation.Ithasseveralfunctions,suchastherelayingofsensorysignals,includingmotorsignalstothecerebralcortex[2][3][page needed]andtheregulationofconsciousness,sleep,andalertness.[4]Anatomically,itisaparamediansymmetricalstructureoftwohalves(leftandright),withinthevertebratebrain,situatedbetweenthecerebralcortexandthemidbrain.Itformsduringembryonicdevelopmentasthemainproductofthediencephalon,asfirstrecognizedbytheSwissembryologistandanatomistWilhelmHisSr.in1893.[5]Contents1Anatomy1.1Bloodsupply1.2Thalamicnuclei1.3Connections2Function3Development3.1Earlybraindevelopment3.2Formationofprogenitordomains3.3Theformationofthemid-diencephalicorganiser(MDO)3.4Maturationandparcellationofthethalamus4Clinicalsignificance5Additionalimages6Seealso7References8ExternallinksAnatomy[edit]Thethalamusisapairedstructureofgraymatterlocatedintheforebrainwhichissuperiortothemidbrain,nearthecenterofthebrain,withnervefibersprojectingouttothecerebralcortexinalldirections.Themedialsurfaceofthethalamusconstitutestheupperpartofth

The thalamus is a small structure within the brain located just above the brain stem between the cerebral cortex and the midbrain and has ...Weusecookiestoenhanceyourexperience.Bycontinuingtobrowsethissiteyouagreetoouruseofcookies.Moreinfo.AcceptCookieSettingsWhatistheThalamus?DownloadPDFCopyByDr.AnanyaMandal,MDReviewedbySallyRobertson,B.Sc.Thethalamusisasmallstructurewithinthebrainlocatedjustabovethebrainstembetweenthecerebralcortexandthemidbrainandhasextensivenerveconnectionstoboth.Theprimaryfunctionofthethalamusistorelaymotorandsensorysignalstothecerebralcortex.Italsoregulatessleep,alertness,andwakefulness.LocationofthethalamusThebrainiscomprisedofventriclesorfluid-filledspaces.Thethalamussurroundsthethirdventricle.Itisasubdivisionofpartofthebraincalledthediencephalonandisoneofthelargeststructuresderivedfromthediencephalonduringembryonicdevelopment.BrainregionsRelatedStoriesAlarmingCOVIDstudyindicateslong-termlossofgraymatterandotherbraintissueAlsolocatedinthediencephalonaretheepithalamusandtheperithalamus,whichcontainregionscalledthezonaincertaandthereticulatenucleus.Thesearedistinctfromthethalamusproper.Thethalamusliesatthetopofthebrainstemnearthecenterofthebrain,fromwherenervefibersprojectouttowardsthecerebralcortex.Thethalamusisdividedintotwoprominentbulb-shapedmassesofaround5.7cminlengthandpositionedsymmetricallyoneachsideofthethirdventricle.Thethalamusissuppliedwithbloodbyfourbranchesoftheposteriorcerebralartery,namelythepolarartery,paramedianthalamic-subthalamicarteries,thalamogeniculatearteriesandtheposteriorchoroidalarteries.Withinthethalamusliemyelinatednervefiberscalledlamellaethatseparatethestructureintoindividualparts.Distinctgroupsofneuronsmakeupotherpartssuchastheperiventricular,thenucleuslimitans,andtheintralaminarelementscollectivelycalledtheallothalamus.Theallothalamusdiffersinstructureformthemajorpartofthethalamuscalledtheisothalamus.Sourceshttp://www.neuroanatomy.wisc.edu/coursebook/thalamus.pdfwww.neuroscience.ethz.ch/.../thalamus_HS2012.pdfh

The thalamus relays sensory impulses from receptors in various parts of the body to the cerebral cortex. A sensory impulse travels from the ...Weusecookiestoenhanceyourexperience.Bycontinuingtobrowsethissiteyouagreetoouruseofcookies.Moreinfo.AcceptCookieSettingsWhatdoestheThalamusdo?DownloadPDFCopyBySallyRobertson,B.Sc.ReviewedbyDr.TomislavMeštrović,MD,Ph.D.Thedorsalthalamus,usuallysimplyreferredtoasthethalamusisasubdivisionofabrainareacalledthediencephalon,whichalsoincludestheeptithalamus,theventralthalamusandthesubthalamicthalamus.Verticalsectionofahumanbrain.showingthemedulla,pons,cerebellum,hypothalamus,thalamus,midbrain.ImageCopyright:Designua/ShutterstockThethalamusrelayssensoryimpulsesfromreceptorsinvariouspartsofthebodytothecerebralcortex.Asensoryimpulsetravelsfromthebodysurfacetowardsthethalamus,whichreceivesitasasensation.Thissensationisthenpassedontothecerebralcortexforinterpretationastouch,painortemperature.Theprevailingopinionamongexpertsisthatthethalamusservesasakindof“gate,”filteringwhichinformationfromvariouschannelsisallowedtoberelayedbyitforprocessing.Detailedresearchhasshownthatspecificthalamicneuronscanmodulateinformationaltransferbyemployingspecificdischargemodes.Furthermore,thethalamusiscrucialforperception,with98%ofallsensoryinputbeingrelayedbyit.Theonlysensoryinformationthatisnotrelayedbythethalamusintothecerebralcortexisinformationrelatedtosmell(olfaction).2-MinuteNeuroscience:TheThalamusPlayThalamicnucleiRelatedStoriesAlarmingCOVIDstudyindicateslong-termlossofgraymatterandotherbraintissueThethalamusismadeupofthreedistinctgroupsofcellsornucleiandtheseincludethefollowing:Sensoryrelaynuclei-Theseincludetheventralposteriornucleusandthelateralandmedialgeniculatebody.Thesenucleirelayprimarysensations,bypassingspecificsensoryinformationtothecorrespondingcorticalarea.Forexample,thelateralgeniculatebodyreceivesinformationfromtheoptictract,andthenoutputsthatinformationtotheprimaryvisualcortex.Associationnuclei-Thesereceiveinputfromspecificareasofthec

thalamus, plural thalami, either of a pair of large ovoid organs that form most of the lateral walls of the third ventricle of the brain.thalamusSections&MediaArticleIntroductionDevelopmentofthethalamusThalamicnucleiRelaynucleiAssociationnucleiMidline/intralaminarnucleiReticularnucleusMedicalsignificanceFastFactsFacts&RelatedContentMediaVideosImagesAdditionalInfoMoreArticlesOnThisTopicContributorsArticleHistoryHomeHealth&MedicineAnatomy&PhysiologythalamusanatomyAlternatetitles:thalamiPrintprintPrintPleaseselectwhichsectionsyouwouldliketoprint:TableOfContentsCiteverifiedCiteWhileeveryefforthasbeenmadetofollowcitationstylerules,theremaybesomediscrepancies.Pleaserefertotheappropriatestylemanualorothersourcesifyouhaveanyquestions.SelectCitationStyleMLAAPAChicagoManualofStyleCopyCitationShareShareSharetosocialmediaFacebookTwitterURLhttps://www.britannica.com/science/thalamusMoreGiveFeedbackExternalWebsitesFeedbackCorrections?Updates?Omissions?Letusknowifyouhavesuggestionstoimprovethisarticle(requireslogin).FeedbackTypeSelectatype(Required)FactualCorrectionSpelling/GrammarCorrectionLinkCorrectionAdditionalInformationOtherYourFeedbackSubmitFeedbackThankyouforyourfeedbackOureditorswillreviewwhatyou’vesubmittedanddeterminewhethertorevisethearticle.JoinBritannica'sPublishingPartnerProgramandourcommunityofexpertstogainaglobalaudienceforyourwork!ExternalWebsitesFactMonster-Science-ThalamusByAbhijeetGummadavelli|SeeAllContributors|ViewEditHistoryFastFactsFacts&RelatedContentstructuresofthehumanbrainSeeallmediaRelatedTopics:subthalamussubthalamicnucleuspulvinarventrobasalcomplexrelaynucleus...(Showmore)Seeallfactsanddata→thalamus,pluralthalami,eitherofapairoflargeovoidorgansthatformmostofthelateralwallsofthethirdventricleofthebrain.Thethalamustranslatesneuralimpulsesfromvariousreceptorstothecerebralcortex.Whilethethalamusisclassicallyknownforitsrolesasasensoryrelayinvisual,auditory,somatosensory,andgustatorysystems,italsohassignificantrolesinmotoractivity,emotion,memory,arousal,a

出處/學術領域, 英文詞彙, 中文詞彙. 學術名詞 舞蹈名詞, THALAMUS, 視丘. 學術名詞 生物學名詞-植物, thalamus, 花托. 學術名詞 畜牧學, thalamus, 視丘. 學術名詞回首頁網站地圖關於我們聯絡我們詞彙查詢下載專區詞彙建議審譯會×請輸入您的使用者帳號密碼帳號請輸入註冊的email。

密碼密碼英文字母有分大小寫。

登入離開釋義翻譯回簡目列表 修訂/勘誤建議單筆輸出視丘Thalamus舞蹈辭典名詞解釋:解剖學名詞。

形成間腦主要部分大卵形的灰白質。

內部有很多神經核集合而成。

除了嗅覺之外，所有感覺路徑的神經元，必須在此轉換，再傳達到大腦皮層感覺區。

且從小腦等部位的遠心性情報傳達到運動區，與間腦之外核的連絡，和視床內相互的連絡等的連合機能等也在此進行。

視丘受傷害時稱之為視丘症候群。

知覺傷害時會出現自發痛和痛覺過敏等症狀。

視丘thalamus以thalamus進行詞彙精確檢索結果出處/學術領域英文詞彙中文詞彙學術名詞舞蹈名詞THALAMUS視丘學術名詞生物學名詞-植物thalamus花托學術名詞畜牧學thalamus視丘學術名詞林學Thalamus花托學術名詞魚類thalamus丘腦學術名詞獸醫學thalamus視丘學術名詞心理學名詞thalamus視丘、丘腦學術名詞海洋科學名詞-兩岸海洋科學名詞thalamus視丘學術名詞海洋科學名詞thalamus視丘學術名詞心理學名詞-兩岸心理學名詞thalamus視丘；丘腦學術名詞人體解剖學Thalamus丘腦學術名詞生命科學名詞-兩岸中小學教科書名詞thalamus視丘學術名詞高中以下生命科學名詞thalamus視丘學術名詞生命科學名詞thalamus視丘以視丘進行詞彙精確檢索結果出處/學術領域中文詞彙英文詞彙學術名詞舞蹈名詞視丘THALAMUS學術名詞畜牧學視丘thalamus學術名詞動物學名詞視丘opticthalamus學術名詞獸醫學視丘thalamus學術名詞海洋科學名詞-兩岸海洋科學名詞視丘thalamus學術名詞海洋科學名詞視丘thalamus學術名詞生命科學名詞-兩岸中小學教科書名詞視丘thalamus學術名詞高中以下生命科學名詞視丘thalamus學術名詞生命科學名詞視丘thalamus引用網址:推文評分評分相關詞彙詞彙建議學術名詞丘腦；視丘thalamus(pl.thalami)視丘opticthalamus背丘腦thalamusdorsalis腹丘腦thalamusventralis背側丘腦dorsalthalamus暫無建議訊息

The thalamus is a paired gray matter structure of the diencephalon located near the center of the brain. It is above the midbrain or ...NCBISkiptomaincontentSkiptonavigationResourcesHowToAboutNCBIAccesskeysMyNCBISignintoNCBISignOutNCBIBookshelf.AserviceoftheNationalLibraryofMedicine,NationalInstitutesofHealth.StatPearls[Internet].TreasureIsland(FL):StatPearlsPublishing;2021Jan-.StatPearls[Internet].ShowdetailsTreasureIsland(FL):StatPearlsPublishing;2021Jan-.SearchtermNeuroanatomy,ThalamusTylerJ.Torrico;SunilMunakomi.AuthorInformationAuthorsTylerJ.Torrico1;SunilMunakomi2.Affiliations1KernMedical2KathmanduUniversityLastUpdate:July31,2021.IntroductionThethalamusisamostlygraymatterstructureofthediencephalonthathasmanyessentialrolesinhumanphysiology.Thethalamusiscomposedofdifferentnucleithateachserveauniquerole,rangingfromrelayingsensoryandmotorsignals,aswellasregulationofconsciousnessandalertness.Clinically,thereareonlyafewconditionsrelatedtothalamicdamageanddysfunction.Mostoftheseconditionsarerare,butsomeofthemorecommonconditionshavesignificantanatomicalchangesthatarevisiblewithneuroimaging. Surgicalinterventionsofthethalamusinthepasthavehadlimitations,butcurrently,thisfieldisevolvingduetoincreasedaccessibilitythroughtheadvancementofmicrosurgicaltechniquesandimprovedneuroimaging.StructureandFunctionThethalamusisapairedgraymatterstructureofthediencephalonlocatednearthecenterofthebrain.Itisabovethemidbrainormesencephalon,allowingfornervefiberconnectionstothecerebralcortexinalldirections—eachthalamusconnectstotheotherviatheinterthalamicadhesion.Thethalamusformstheupperandlateralwallsofthethirdventriclewhilethedorsalsurfaceispartofthefloorofthebodyofthelateralventricle.Laterally,thethalamuslimitswiththeposteriorarmoftheinternalcapsule.Anterolaterally,itlimitswiththeheadofthecaudateandventralnucleuswiththesubthalamusandhypothalamus. Whilethethalamusismostlygraymatter(cellbodiesofneurons),therearesomeareasofwhitematter(axons).Theexternalandinternalmedullarylaminaearewhitemat