Umthambo we-cerebral central uletha i-oksijeni kanye nezakhi ezinxenyeni zobuchopho
Umthambo we-cerebral central (owaziwa nangokuthi i-MCA) yisitsha esikhulu segazi esiletha umoya-mpilo kanye nezakhi ezithombeni zangaphambili, i-parietal ne-temporal lobes , phakathi kwezinye izindawo ezibalulekile zobuchopho.
Ngaphansi kobuchopho, imicibisholo ye-carotid kanye ne-vertebrobasilar yenza umbuthano wokusebenzisa imishanguzo eyaziwa ngokuthi i-circle of Willis. Kusukela kulo mbuthano, ezinye izimbangi - umthambo we-cerebral anterior (ACA), umthambo we-cerebral ophakathi, umshini we-cerebral post (PCA) ovela ngemuva - vuka uhambe kuzo zonke izingxenye zobuchopho.
Umshini we-cerebral middle isinye sezingxabano ezinkulu zemikhumbi eyaziwa kakhulu. I-stroke ingumonakalo wobuchopho obangelwa ngenxa yokuphazanyiswa kwegazi okuyingxenye yobuchopho. Lokhu kwenzeka ngenxa yokuvinjelwa kwesitsha segazi noma ukuphaphaza kwesitsha segazi ebuchosheni. Uhlangothi oluthile lubizwa ngokuthi yi-part of the brain or the blocked blood vessel.
Imivimbo ephazamisa umthambo we-cerebral ophakathi kolunye uhlangothi lomzimba ingabangela ubuthakathaka ( hemiplegia ) ne-numbness ebusweni, kanye / noma ingalo kanye / noma umlenze ohlangothini lomzimba olubhekene nesifo.
Izakhiwo ezihlinzekwa yi-MCA zihlanganisa indawo kaBraca, indawo ekhuluma ngokukhuluma; Indawo ka-Wernicke, indawo yokukhulumisana; i-motor cortex, elawula ukunyakaza kwekhanda elifanele, intamo,
i-trunk nengalo; kanye ne-cortex enengqondo, elawula ukuzwa kusuka ekhanda elifanele, entanyeni, trunk, nangengalo.
Ngenxa yokuthi ukushaywa komzimba we-cerebral isifo esikhulu, ukuvuselelwa isikhathi eside nokuvuselelwa kungathatha izinyanga noma ngisho neminyaka.
Kodwa-ke, ngisho nemivimbo eqinile ingabangela ukutakula kahle .
Ukubuyiselwa Okuvela Esikhathini Se-Cerebral Artery Stroke
Umuntu ngamunye obhekene nesifo sokuguga komswakama we-cerebral unesinye isikhathi sokuphumula kanye nesidingo sokunakekelwa kwesikhathi eside. Abanye abantu bazoqhubeka bethuthukisa amasonto, izinyanga noma iminyaka ngemuva kokushaywa ngokushayela, ukucabanga nokukhuluma.
Ngemuva kokushaywa, abanye abantu bazobe benenkinga yokuthola igama noma abakwazi ukukhuluma okungaphezu kwelilodwa igama noma ibinzana ngesikhathi. Noma, bangase bangakwazi ukukhuluma nhlobo, okuthiwa i- aphasia . Kungathatha iminyaka emibili ukubuyisela ngokugcwele inkulumo futhi akuwona wonke umuntu oyobuyiswa ngokugcwele.
Izinkomba:
I-Internet Stroke Center. Izitsha zegazi ze-Brain. http://www.strokecenter.org/professionals/brain-anatomy/blood-vessels-of-the-brain/
Radiopaedia.org. I-Cerebral Artery Ephakathi. http://radiopaedia.org/articles/middle-cerebral-artery
IYunivesithi yaseBrithani Columbia. I-Cerebral Artery Ephakathi. http://www.neuroanatomy.ca/stroke_model/mca_info.html
Ilabhulali Kazwelonke Yezokwelapha yase-US. I-Medline Plus. "Ukubuyisela Ngemva Kokushaya Isisu." https://www.nlm.nih.gov/medlineplus/ency/article/007419.htm