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Mozoli ste tilo lat corpus callosum shirokij plaskij puchok nervovih volokon dovzhinoyu blizko 10 sm pid koroyu golovnogo mozku u tovshi fissura longitudinalis Z yednuye livu i pravu pivkuli golovnogo mozku zabezpechuye mizhpivkulnij zv yazok Ce najbilsha struktura biloyi rechovini golovnogo mozku sho skladayetsya z 200 250 mln kontralateralno spryamovanih nazustrich odin odnomu z oboh storin aksoniv kirkovih nejroniv Mozoliste tiloMozoliste tilo zgori Perednya chastina vgori Medianno sagitalnij roztin golovnogo mozku Mozoliste tilo po centru svitlo sirogo koloru DetaliChastini kolino lat genu stovbur lat trunkus valok lat splenium IdentifikatoriAnatomiya Greya subject 189MeSH D003337191ID birnlex 1087TA98 A14 1 09 241TA2 5604FMA 86464Anatomichna terminologiya redaguvati u Vikidanih Mozoliste tiloStrukturaZadnya chastina mozolistogo tila valok splenium perednya nazivayetsya kolinom genu mizh nimi znahoditsya stovbur mozolistogo tila Chastina mizh tilom i valkom zvuzhena j nazivayetsya pereshijkom isthmus Rostralna plativka chastina mozolistogo tila sho znahoditsya dozadu j donizu vid najbilsh perednoyi chastini kolina mozolistogo tila yak pokazano na sagitalnomu zobrazhenni mozku pravoruch Kincevu yiyi chastinu nazivayut dzobom za shozhist iz ptashinim dzobom Mozoliste tilo Volokna po obidvi storoni mozolistogo tila otrimali nazvu promenistosti oskilki promenepodibno vhodyat u bilu rechovinu pivkul golovnogo mozku j pryamuyut do riznih dilyanok kori Odni zginayuchis upered vid kolina jdut u lobovu chastku utvoryuyut peredni shipci a drugi zginayuchis nazad u potilichnij chastci utvoryuyut zadni shipci Mizh cimi dvoma chastinami znahoditsya osnovnij stovbur mozolistogo tila z yakogo volokna prostyagayutsya lateralno v obidvi storoni v skronevi chastki i pokrivlyu centralnoyi chastini bichnogo shlunochka Statevi vidminnosti Mozoliste tilo j statevi vidminnosti jogo strukturi ta funkcij buli predmetom diskusij u naukovih kolah protyagom bilsh yak stolittya Pershi doslidzhennya na pochatku 20 go stolittya pokazali vidminnosti v rozmirah mizh cholovikami i zhinkami Ci doslidzhennya v svoyu chergu viklikali zapitannya i v kincevomu pidsumku bilsh polipsheni metodi vizualizaciyi yaki z yavilisya ostannim chasom sprostuvali poperedni uyavlennya Odnak peredovi analitichni metodi komp yuternoyi nevrologiyi rozrobleni v 1990 h rokah viyavili sho statevi vidminnosti ochevidni ale stosuyutsya pevnih chastin mozolistogo tila j korelyuyut z kognitivnoyu produktivnistyu v deyakih testah Nedavni doslidzhennya z vikoristannyam magnitno rezonansnoyi tomografiyi MRT viyavili sho plosha serednosagitalnogo pererizu mozolistogo tila v porivnyanni z rozmirom mozku v serednomu proporcijno bilshe u zhinok Z dopomogoyu difuzijnoyi MRT takozh buli znajdeni statevi vidminnosti v morfologiyi i mikrostrukturi mozolistogo tila Morfometrichnij analiz pri vivchenni konkretnih trivimirnih matematichnih modelej za dopomogoyu MRT i znajshli gruntovni j statistichno znachushi vidminnosti mizh cholovikami i zhinkami Specialni algoritmi viyavili znachni vidminnosti mizh cholovikami i zhinkami bilsh nizh v 70 vipadkiv v odnomu doslidzhenni Inshi korelyaciyiPerednya chastina mozolistogo tila yak viyavilosya znachno bilshe u muzikantiv nizh nemuzikantiv Priblizno na 0 75 sm2 abo na 11 vona takozh bilshe u shulg i oborukih osib zambidekstriyeyu lyudej nizh u pravshiv Cya riznicya proyavlyayetsya v perednij i zadnij oblastyah mozolistogo tila Inshi magnitno rezonansni morfometrichni doslidzhennya pokazali sho rozmir mozolistogo tila pozitivno korelyuye z verbalnoyu pam yattyu i semantichnoyu produktivnistyu v testah Diti z disleksiyeyu yak pravilo mayut mensh rozvinene mozoliste tilo nizh yih yihni odnolitki bez disleksiyi Navchannya muzici pidvishuye plastichnist mozolistogo tila pid chas rozvitku Naslidki zbilshennya koordinaciyi ruk vidminnosti v strukturi biloyi rechovini ta posilennya plastichnosti motornih i sluhovih shlyahiv u podalshomu dopomagayut krashomu navchannyu Doslidzhennya pokazalo sho diti yaki pochali muzichnu osvitu u vici do shesti rokiv minimum 15 misyaciv zanyat mali zbilshenij obsyag mozolistogo tila a ti yaki pochali take navchannya do 11 rokiv mali krashu nizh odnolitki bimanualnu koordinaciyu Klinichne znachennyaEpilepsiya Elektroencefalografiya vikoristovuyetsya dlya poshuku dzherela elektrichnoyi aktivnosti yake sprichinyuye napadi Simptomi refrakternoyi epilepsiyi mozhut buti zmensheni shlyahom pererizannya mozolistogo tila u ramkah operaciyi vidomoyi yak kalozotomiya Vona provoditsya u vipadkah koli skladni abo veliki pripadki pochinayutsya v epileptogennih vognishah na odnij storoni mozku rozryadi generalizuyutsya j rozpovsyudzhuyutsya na protilezhnu pivkulyu Pidgotovka do takoyi operaciyi peredbachaye elektroencefalografiyu MRT PET skanuvannya i konsultaciyi epileptologa nevrologa nejrohirurga psihiatra i nejroradiologa Vadi rozvitku Ageneziya mozolistogo tila AMT ce ridkisna vrodzhena patologiya yaka ye odnim z najbilsh poshirenih vad rozvitku mozku lyudini pri yakij mozoliste tilo zmenshene abo povnistyu vidsutnye AMT yak pravilo diagnostuyetsya protyagom pershih dvoh rokiv zhittya a mozhe isnuvati bezsimptomno j buti vipadkovoyu znahidkoyu Pochatkovi simptomi AMT zazvichaj vklyuchayut v sebe sudomi vslid za yakimi mozhut problemi z goduvannyam problem i zatrimok u pochatku samostijnogo trimannya golovi sidinnya stoyannya i hodi Inshi mozhlivi simptomi mozhut vklyuchati porushennya psihichnogo j fizichnogo rozvitku zorovo motornoyi koordinaciyi vizualnoyi j sluhovoyi pam yati AMT inodi suprovodzhuyetsya gidrocefaliyeyu U legkih vipadkah taki simptomi yak sudomi eholaliya abo golovnij bil mozhut ne z yavlyatisya rokami Vidsutnist mozolistogo tila ye golovnim patologichnim komponentom pri sindromi Ejkardi AMT zazvichaj ne smertelna Likuvannya zazvichaj simptomatichne z privodu gidrocefaliyi i sudom tosho Hocha bagato ditej z takim zahvoryuvannyam mozhut vesti normalnij sposib zhittya j mayut serednij intelekt retelne nejropsihologichne testuvannya viyavlyaye tonki vidminnosti u vishih korkovih funkciyah porivnyano z osobami togo zh viku ta osviti bez AMT Dityam z AMT yaka suprovodzhuyetsya zatrimkoyu rozvitku ta abo epilepsiyeyu slid projti obstezhennya na metabolichni porushennya Okrim povnoyi ageneziyi mozolistogo tila isnuyut shozhi stani ale z nepovnim jogo urazhennyam zatrimka rozvitku chastkova disgeneziya nepravilnij rozvitok i gipoplaziya nedostatnij rozvitok u tomu chisli j zanadto tonke mozoliste tilo Nedavni doslidzhennya takozh pov yazuyut mozhlivi vzayemozv yazki mizh vadami rozvitku mozolistogo tila j rozladami autistichnogo spektru Inshi zahvoryuvannya Urazhennya perednih viddiliv mozolistogo tila mozhe prizvesti do akinetichnogo mutizmu abo taktilnoyi anomiyi Poshkodzhennya zadnih viddiliv mozolistogo tila valok lat splenium mozhut prizvesti do aleksiyi nezdatnist do chitannya bez agrafiyi Dodatkovi zobrazhennyaMozoliste tilo Mozoliste tilo Mozoliste 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