Nervous system habdhiska Dareen wadayalka
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Nervous system Nidaamka neerfayaasha waa shabakad adag oo ah unugyo gaar ah, unugyo, iyo xubno kuwaas oo isku duwda oo nidaamiya jawaabaha jidhka ee kicinta gudaha iyo dibadda. Waxay mas’uul ka tahay helitaanka dareenka deegaanka, isku-darka iyo habaynta macluumaadkaas, iyo u diritaanka amarrada dhaqdhaqaaqa saameeyayaasha sida murqaha iyo qanjidhada.
Habdhiska dareenka waxa loo qaybiyaa laba qaybood oo waaweyn: habdhiska dhexe ee neerfayaasha (CNS) iyo habdhiska neerfaha (PNS). CNS waxay ka kooban tahay maskaxda iyo xudunta lafdhabarta, kuwaas oo mas’uul ka ah habaynta iyo isku dhafka macluumaadka dareenka iyo abuurista amarrada dhaqdhaqaaqa. PNS waxay ka kooban tahay dhammaan fiilooyinka dareemayaasha ee jiifa meel ka baxsan CNS, oo ay ku jiraan neerfaha dareemayaasha u gudbiya macluumaadka CNS iyo matoorada neerfaha kuwaas oo u gudbiya amarrada CNS una gudbiya murqaha iyo qanjidhada.
Nidaamka neerfayaasha waxa kale oo ka mid ah dhismooyin gaar ah oo ay ka mid yihiin xubnaha dareenka sida indhaha iyo dhegaha, iyo habdhiska neerfaha ee iskood u taagan (ANS), kaas oo maamula hawlaha aan ikhtiyaarka lahayn ee jidhka sida garaaca wadnaha, dheefshiidka, iyo neefsiga. Xanuunada habdhiska neerfaha waxay yeelan karaan calaamado iyo cawaaqibyo kala duwan, oo ay ku jiraan curyaannimo, luminta dareenka, qalal, iyo garasho la’aan.