The lateral ventricles are paired CSF-filled spaces in the cerebrum and part of the ventricular system of the brain. They are larger than ...×ArticlesLogInCasesSignUpCoursesQuizDonateAbout×MenuSearchADVERTISEMENT:Radiopaediaisfreethankstooursupportersandadvertisers.BecomeaGoldSupporterandseenoads.ArticlesCasesCoursesLogInLoginSignup{"url":"/signup-modal-props.json?lang=us\u0026email="}ArticlesCasesCoursesQuizAboutRecentEditsGoad-freeSearchLateralventricleLastrevisedbyDrDanielJBell◉on30Jun2021EditarticleViewrevisionhistoryReportproblemwithArticleCitation,DOIandarticledataCitation:Jones,J.,Bell,D.Lateralventricle.Referencearticle,Radiopaedia.org.(accessedon19Oct2021)https://radiopaedia.org/articles/5838DOI:-Permalink:https://radiopaedia.org/articles/5838rID:5838Articlecreated:23Mar2009byDrJeremyJones◉Revisions:28timesby13users-seefullrevisionhistorySystem:CentralNervousSystemSection:AnatomyTags:refs,rewriteSynonyms:LateralventriclesURLofArticleThelateralventriclesarepairedCSF-filledspacesinthecerebrumandpartoftheventricularsystemofthebrain.Theyarelargerthanthethirdorfourthventricles butcanbeasymmetrical. Eachhasfivedivisions,includingthreehornsthatprojectintothelobeafterwhichtheyarenamed:anterior/frontalhorninferior/temporalhornbodytrigone/atriumposterior/occipitalhornbilaterallywelldevelopedinonly12%ofsubjects3maybeabsent,poorlydeveloped,asymmetricalCSF isproducedinthechoroidplexus locatedalongthelateralwallsofthelateralventriclesrelatedtothechoroidfissureandexitsalongtheinterventricularforamen(ofMonro) intothethirdventricle. Thecentralpartofthelateralventricleiscalledthecellamedia.Theposteriorconfluenceoftheoccipitalandtemporalhornsiscalledthetrigoneoratriumoftheventricles.Onthispage:Article:VariantanatomyRelatedpathologySeealsoRelatedarticlesReferencesImages:CasesandfiguresVariantanatomycoarctationoffrontalhornorbodyaplasiaorhypoplasiaofposteriorhornasymmetryoflateralventriclecavumseptumpellucidumcavumseptumpellucidumetvergaecavumveliinterpositiRelatedpathologyThev