Formation, Sayniska
Dareemayaasha Cranial, leexashooyinkaasi ka kacay Cuduro
habka dareemayaasha waxaa ka mid ah maskaxda iyo laf-dhabarta, ka dareemayaasha iyo lugaha ay kordhin. All laanta neerfaha ku xiran habdhiska ka durugsan. Waxaa jira 12 lammaane oo dareemayaasha cranial iyo spinal 31 lammaane. Labada ciyaaryahan kasta wuxuu leeyahay magac u gaar ah oo tiro, taas oo muujinaysaa by nidaam nambaro a Roman. dareemayaasha Cranial ku yaalaan salka maskaxda. On kooban macdantaa dareemaha, sii deysay saddex hawlood: motor, dareenka iyo isku qasan.
dareemayaasha cranial xasaasi ah loo sameeyay ka fiiloyin ee neurons in been ka baxsan maskaxda. Kuwaas waxaa ka mid dareemayaasha olfactory, muuqaalka iyo maqalka. Waxay bixiyaan shaqo vestibular, maqalka, aragga iyo urta. Labada nin ayaa marka hore ka bilaabataa ka unugyada dareenka, kaasoo ku yaala xabka sanka. Iyada oo guuldaradii ee dareemayaasha this, waxaa jira khasaaro dhamaystiran oo awood u leh inuu ku udgoonsado. Labada labaad - waa dareemaha optic, oo billaabay in unugyada isha. Uu atrophy keenaysaa in hoos u dhac af ee toosan muuqaal ah, iyo mararka qaarkood dhamaystiran indho la'aan. Labada nin ayaa siddeedaad oo dareemayaasha maqalka mas'uul ka maqalka iyo waxqabadka hay'adaha ay vestibular. In case of xad gudub ku ah shaqada uu jiro dawakh, maqal la'aanta, ataxia, cillad vestibular.
function Motor ka kooban yahay shan lammaane oo dareemayaasha. Waxay leeyihiin asal ahaan dalka ah nuclei motor stem. Labada nin saddexaad, afraad iyo lixaad ee dareemayaasha la xiriira dhaqdhaqaaqa qalab iyo isha. dareemayaasha Oculomotor - tani waa labada ciyaaryahan saddexaad. Waxaa la aasaasay by fiiloyin ah, laga bilaabo nooca xuduntii. Dunta Parasympathetic ku jira dareemayaasha in ay soo gudbiyaan muruqyada isha. Ku dhaco dareemayaasha cranial III waxaa lagu gartaa labo ka mid ah ptosis sare indhaha, squint kooxa iyo mydriasis. Haddii ay saamayn ku dareemayaasha block IV ee aragti arkay walxaha double. Marka view loo dhigi hoos, muujisay Weershe yar. Haddii carqaladeeyey howlaha VI abducens, badala dhaqdhaqaaqa bu'da ka baxay, waxay keenaysaa in squint is-a iyo aragga oo labalaabma.
dareemaha wajiga (VII) hanta muruqyada wejiga. Intaa waxaa dheer, waxa ku jira macdantaa oo uu leeyahay dareen dhadhan fiiloyin autonomic, kaas oo nidaaminaya function ka mid ah dhareerka iyo qanjiro lacrimal. dareemayaasha XI Secondary dejisa hawlaha noocyo ka mid ah muruq. Iyada oo uu guul darro u muuqata paresis ama curyaannimo muruqyada. Last, XII ee dareemayaasha hypoglossal la xidhiidha muruqyada carrabka. In case of xad gudub ku ah hawlaha dareemeyaasha this arkay xanibaad dhaqdhaqaaqa afka Weeraryahanka iyo weecasho in kooxda ay dhibaatadu saameysey. Muujiyey atrophy muruqa, xanuun carrabka, shimbirka fibrillar.
function Mixed dareemayaasha cranial shaqeeyaan lammaane V, IX, iyo X. Fifth, dareemaha trigeminal gacanta ku jiraa muruqyada xanjo waxayna siisaa dareen ee qofka. Glossopharyngeal (IX) dareemaha mas'uul ka yahay dhadhan dhareer iyo gobolka ee cunaha iyo carrabka. Vagus (X) dareemaha siisaa dareen qaybood oo gadaal ka mid ah afka saabka, dhuun iyo dalqada. Wuxuu mas'uul ka yahay hawlaha ay muruqyada. dareemayaasha Cranial X lammaane parasympathetic bixiyaan xiriirka ka mid ah xubnaha gudaha.
Haddii ay saamayn ku dareemaha trigeminal, waxaa jira a weeraro xanuun fiiqan ee qof neuralgic ee meelaha muhiimka ah ee wejiga. Waxay waxaa weheliya casaan iyo inuu dillaaco. In labada ciyaaryahan IX cudurada dareemay xanuun cunaha, waxaa jira dhib ah in wax liqidda, arkay disorder dhadhanka, dhareerka rabshaysan tahay. Iyada oo guuldaradii ee dareemaha vagus waxaa jira leexashooyinkaasi ee xubnaha gudaha. Iyada oo lesions laba geesood ah lagu arkay cudurka liqidda, cod midab sanka, xanuun auricle ah. xadgudubyada noocan oo kale ah mar walba oo ay la socdaan saadaasha daran.
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