What is the Thalamus? - News-Medical

The thalamus is a small structure within the brain located just above the brain stem between the cerebral cortex and the midbrain and has extensive nerve ... Weusecookiestoenhanceyourexperience.Bycontinuingtobrowsethissiteyouagreetoouruseofcookies. Moreinfo. Accept CookieSettings WhatistheThalamus? DownloadPDFCopy ByDr.AnanyaMandal,MDReviewedbySallyRobertson,B.Sc. Thethalamusisasmallstructurewithinthebrainlocatedjustabovethebrainstembetweenthecerebralcortexandthemidbrainandhasextensivenerveconnectionstoboth.Theprimaryfunctionofthethalamusistorelaymotorandsensorysignalstothecerebralcortex.Italsoregulatessleep,alertness,andwakefulness. Locationofthethalamus Thebrainiscomprisedofventriclesorfluid-filledspaces.Thethalamussurroundsthethirdventricle.Itisasubdivisionofpartofthebraincalledthediencephalonandisoneofthelargeststructuresderivedfromthediencephalonduringembryonicdevelopment. Brainregions RelatedStoriesViewingnostalgicimagesreducespainperceptionAlarmingCOVIDstudyindicateslong-termlossofgraymatterandotherbraintissueAlsolocatedinthediencephalonaretheepithalamusandtheperithalamus,whichcontainregionscalledthezonaincertaandthereticulatenucleus.Thesearedistinctfromthethalamusproper. Thethalamusliesatthetopofthebrainstemnearthecenterofthebrain,fromwherenervefibersprojectouttowardsthecerebralcortex.Thethalamusisdividedintotwoprominentbulb-shapedmassesofaround5.7cminlengthandpositionedsymmetricallyoneachsideofthethirdventricle. Thethalamusissuppliedwithbloodbyfourbranchesoftheposteriorcerebralartery,namelythepolarartery,paramedianthalamic-subthalamicarteries,thalamogeniculatearteriesandtheposteriorchoroidalarteries. Withinthethalamusliemyelinatednervefiberscalledlamellaethatseparatethestructureintoindividualparts.Distinctgroupsofneuronsmakeupotherpartssuchastheperiventricular,thenucleuslimitans,andtheintralaminarelementscollectivelycalledtheallothalamus.Theallothalamusdiffersinstructureformthemajorpartofthethalamuscalledtheisothalamus. Sources http://www.neuroanatomy.wisc.edu/coursebook/thalamus.pdf www.neuroscience.ethz.ch/.../thalamus_HS2012.pdf http://shermanlab.uchicago.edu/files/ThalRelCorFunct.pdf zlab.rutgers.edu/modules/teaching/docs/Thalamus/Thalamus%20Lecture.pdf www.neurociencias.org.ve/.../anatomia%20talamo%20y%20gangliobasal.pdf http://medicaltextbooksrevealed.s3.amazonaws.com/files/11185-53.pdf FurtherReadingAllThalamusContentWhatdoestheThalamusdo?ThalamusDevelopment LastUpdated:Feb15,2021 WrittenbyDr.AnanyaMandalDr.AnanyaMandalisadoctorbyprofession,lecturerbyvocationandamedicalwriterbypassion.ShespecializedinClinicalPharmacologyafterherbachelor's(MBBS).Forher,healthcommunicationisnotjustwritingcomplicatedreviewsforprofessionalsbutmakingmedicalknowledgeunderstandableandavailabletothegeneralpublicaswell. DownloadPDFCopy CitationsPleaseuseoneofthefollowingformatstocitethisarticleinyouressay,paperorreport:APAMandal,Ananya.(2021,February15).WhatistheThalamus?.News-Medical.RetrievedonMay27,2022fromhttps://www.news-medical.net/health/What-is-the-Thalamus.aspx.MLAMandal,Ananya."WhatistheThalamus?".News-Medical.27May2022..ChicagoMandal,Ananya."WhatistheThalamus?".News-Medical.https://www.news-medical.net/health/What-is-the-Thalamus.aspx.(accessedMay27,2022).HarvardMandal,Ananya.2021.WhatistheThalamus?.News-Medical,viewed27May2022,https://www.news-medical.net/health/What-is-the-Thalamus.aspx. Comments TheopinionsexpressedherearetheviewsofthewriteranddonotnecessarilyreflecttheviewsandopinionsofNewsMedical. 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