Kupa muviri muviri neropa, okisijeni, uye mishonga
Mishonga yeropa ndiro midziyo inotakura ropa kubva pamwoyo kune imwe yose yomuviri. Izvo zvakaumbwa semabhati uye davi mu arterioles kusvika kune nhengo nemaviri. Iyo kupopera zvipfeko zvemoyo zvinokonzera ropa kuburikidza nemishonga.
Mishonga inonzi Systemic Circulation
Icho chiyiko chikuru chekushandiswa kwe-systemic ndiyo aorta. Inosungirirwa kumhepo yakasara yemhepo uye inotakura oksijeni ropa.
Matavi e-aorta mumishonga inopinda kune nhengo dzakasiyana uye zvikamu zvemuviri. Iwe unogona kunzwa kupisa kwako mune ariti yakaita seyeri yarotid mumutsipa kana kuti inonzi radial muti.
Iyo mishonga yemapurmita inopesana nemamwe mune kuti yakanamatirwa nechomukati chemuviri wekodzero yemwoyo uye inotakura ropa risina urombo mumhepo yepamapapu kumapapu. Ikoko, inosvika mu-arterioles uye capillari kuitira kuti ropa rinogona kutora oksijeni isati yadzokera kumwoyo kuburikidza nemapurmaria. Iri ropa rinokonzerwa neropa rinopinda muchero wekupedzisira uye rinoputirwa kuruboshwe rweseriki uye kuburikidza ne-aorta.
Chimiro cheMarrija
Mishonga ine huwandu hwehuwandu hwemhando yakasiyana yehutundu, hunonzi hutendere hwakanaka , hunogona kutungamirirwa nemahomoni uye zviratidzo zvakasiyana kubva mumamiriro emagetsi. Icho chinyorwa chekunze chetari chakaitwa ne collagen fibers. Iyo yepakati yakasvibira ine mvere yakasvibira uye yakasimbiswa. Iko mukati mecherechedza chigadziko chinonzi endothelium.
Ropa rinofamba nepakati pepakadzika reyeriyuta. Kana ichi chinzvimbo chakakomba chichidzivirirwa pamusana pekuwedzera kwehutano hwemutsipa kana kuumbwa kwepakiti, inogona kusimudzira ropa. Plaque inoitawo kuti mitsetse isanyanya kuchinja. Kana ariti inoputika kana yakadzivirirwa, yakadai sekurohwa kana kurwadziwa kwemoyo, maviri anowanzogovera achafa.
Masvingo akareba, akasimba emaserioti anoita kuti vakwanise kudzivirira matambudziko makuru aripo pedyo nemwoyo. Zvose zvomuviri mukuru mumuviri zvine ruzivo rwemhando dzakasiyana dzemishonga dzinonyatsorongwa kuti dzigovera zvigadziro zvinodiwa.
Mutsipa wemoyo unowanikwa neeroniconary . Arteri coronary artery neyakarurama yegonari yeriti yebazi inobva kune aorta uye nechokumabvazuva yerariyari inowedzera inoparadzanisa mumusara we circumflex uye kuruboshwe rwokunze ruchidzika arteri. Iyi mitsetse mina ndiyo iyo inogona kuchinjwa mumarayari ekoronary bypass graft (CABG) chirwere. Chimwe chikamu chinokwana chinotora nzvimbo dzose dzeropa.
Arterial Health
Kushungurudzwa kwemasveta ndiyo izwi rinowanzoitwa atherosclerosis uye mhirizhonga arterial disease (PAD). Izvi zvinoitika apo plaque inoumba kubva kumafuta, cholesterol, calcium, protein, uye kupisa masero, kuderedza kana kudzivirira arteri. Kana izvi zvikaitika mumaketani emwoyo, ndiyo chirwere chetachiona (CAD).
Zvinokonzera njodzi dzePAD zvinosanganisira kusvuta, chirwere cheshuga, kukwirira kweropa, uye cholesterol yakakwirira. PAD inogona kutungamirira kukurwisa kwemoyo, kurohwa, kushandiswa kwechirwere cheschemic, chirwere chechirwere chechirwere, uye kubviswa.
> Sources
> Mwoyo & Ropa Zviduku: Mishonga yako yeCoronary. Cleveland Clinic.
> Ropa Rokuenderera Ropa Rinoshanda Sei? US National Library of Medicine.
> Peripheral Artery Disease (PAD). Cleveland Clinic.