Pakati pehutachiona arteri inounza oksijeni nemichero kune zvikamu zveuropi
Pakati pehutachiona arteri (inozivikanwawo seMCA) ndiyo inokonzera ropa mudziyo unounza oksijeni nemuviri kunzvimbo yakatarisa, parietal uye temporal lobes , pakati peimwe nzvimbo dzinokosha dzeuropi.
Pasi penheyo dzeuropi, mararo e-carotid uye vertebrobasilar inoita sedenderedzwa yekutaurirana kwemasero inonzi "Circle of Willis." Kubvira iri denderedzwa, mamwe mishonga - iyo anterior cerebral artery (ACA), katikati yecherebral artery, iyo inonzi posterior cerebral artery (PCA) - simuka uende kumativi ose europi.
Pakati pehutachiona arteri ndeimwe yepamusoro-soro yakawanda inogamuchirwa midziyo. Kurohwa kunokanganisa uropi hunovapo semugumisiro wekuvhiringidzwa kweropa kune imwe chikamu cheropi. Izvi zvinoitika nekuda kwekudzivirirwa kwemuviri weropa kana kubuda ropa remudziyo muuropi. Chirwere chinowanzonyorwa chikamu chikamu chakakuvadza cheuropi kana nechechi yakachengetwa ropa.
Kurohwa kunokanganisa hutachiona hwetachiona pane rumwe rutivi rwomuviri kunogona kukonzera kushaya simba ( hemiplegia ) uye kupera mukati, uye / kana ruoko uye / kana mwendo kune rumwe rutivi rwomuviri rwakatarisana neuroro.
Zvivako zvakapiwa neMu MCA zvinosanganisira Broca's area, the expressive speech area; Wernicke nzvimbo, iyo inotaurira kutaura nzvimbo; motori cortex, iyo inodzora kufamba kwekona kwakarurama, mutsipa,
trunk noruoko; uye sensory cortex, iyo inodzora manzwiro kubva kumusoro wakarurama, mutsi, trunk, uye ruoko.
Nemhaka yokuti pakati pehutachiona hutachiona hunowanzova chirwere chikuru, kwenguva refu yekudzoka uye kugadziriswa kungatora mwedzi kana kunyange makore.
Zvisinei, kunyange zvirwere zvakakomba zvinogona kuita kuti munhu awane zvakanaka .
Kudzoka Kubva kuMiddle Cerebral Artery Stroke
Munhu mumwe nomumwe anotambura kubva pakati peperesi yemaitiro ane chirwere ane nguva yakasiyana yekudzikinura nguva uye zvido zvekugara kwenguva refu. Vamwe vanhu vacharamba vachivandudza vhiki, mwedzi kana makore mushure mekurohwa pamusana pokufamba, kufunga uye kutaura.
Mushure mekurohwa, vamwe vanhu vachanetseka kuwana izwi kana kukwanisa kutaura shoko rinopfuura rimwe chete kana mutsara panguva. Kana, vangasazokwanisa kutaura zvachose, iyo inonzi Apiasia . Zvinogona kutora kusvika kumakore maviri kuti zvizere kugadzirisa hurukuro uye kwete munhu wose achadzoka zvizere.
References:
Indaneti Stroke Center. Ropa Zvikepe zveBongo. http://www.strokecenter.org/professionals/brain-anatomy/blood-vessels-of-the-brain/
Radiopaedia.org. Middle Cerebral Artery. http://radiopaedia.org/articles/middle-cerebral-artery
University of British Columbia. Middle Cerebral Artery. http://www.neuroanatomy.ca/stroke_model/mca_info.html
US National Library of Medicine. Medline Plus. "Kuwanazve Pashure peStroke." https://www.nlm.nih.gov/medlineplus/ency/article/007419.htm