HauoraRongoā

Ngā paki parirau: te hanganga me ngā āhuatanga

Ko te Morphology o te mapuni ngakau kua roa ngā te aro o kairangahau. Tūkinotanga o te mahi architectonic tetahi wahi o te taputapu takirere ranei arata'i ki te rangirua zakryvatelnoy piha mahi me te mahi köurarangi o te ngakau e rite ana te katoa.

Ko te mau parau tumu whānui o te hanganga o te septa atrioventricular

ngā paki parirau Kei kaiota chord mowhiti paki me uaua papillary.

mowhiti piha he puka kaiota ki te whakaurunga o te pūtau uaua, e e ä pani endocardium. E hipokina ngā paki piha i te endothelium, a ka whai i te hanganga paparanga.

I roto i te aronga i te Atrial ki te apa mata ventricular 3 te vai:

  1. Tu'ūlutui.
  2. Fibrotic.
  3. Ventricular.

Ko te pūtake o te pereti kaiota whitiki e mai i te fibrosus annulus.

ngā paki Wing, kaua ratou paparanga tu'ūlutui, kuiti ranei, kua he rota o weu rapa i roto i te kiko tūhonohono, te nuinga kei te i arotahi ki runga i te mata noa o te paki. Āhua nui muka rapa i roto i te puawai o te pūrerehua piha, tricuspid atu.

Ko te muka kahu ventricular collagen mua roa.

takirere mata

ngā paki parirau E rua papa - Atrial me ventricular, a e rua ona mata - whakaritea, me te kore utu.

Ko te rohe o te atrioventricular mapuni ngakau o nga tangata, nui atu i te rohe o te mapuni i roto i nga whekau wahine. Tricuspid rohe bivalve takirere nui e tata 25%.

uaua Papillary ki ngā tangiata tendon hanga te ngakau o te taputapu subvalvular. Rauoro piri ki te parirau. Te roa me te matotoru o ratou tae tona mōrahi i roto i 35-40 tau.

takirere pūrerehua

Tau o mātārere (puawai) kua i 2 ki te 6. Root:

  • mua, maha anake, i ētahi wā wehea ki e rua nga wahi;
  • tuarongo.

He nui tonu ratou.

Ko te paki mua o te āhua tapatoru, kua piri ki te runga-toru o te medial, posterior ki te toenga o mea piha, te mea he āhua tapawhā. E rua te maheni rohe taratara basal me apical wehea e te tihi.

Ko te taupa mua o te piha mitral he taketake i roto i ngā mahi, ko reira atu pūkoro, i roto i systole, whakaaro, mo te kawenga matua, pera hokosia ia te nuinga o te pēhanga o te toto tuha e te roro.

Rear roa whai wāhi i roto i te kati o te piha. Ko te hiranga mahi o reira iti.
E whakaritea vaolo paki tangiata ki te uaua papillary.

chord tendon:

  • mea whatu ki te taha ventricular o te piha i roto i ngā wāhi taratara, wahia e ia ki toru miro kikokore.

Ki te taupa mua, e kua he piha paki 2, i te uaua papillary piri 5-10 chord, ki te muri - 10-20, 20-30 muka ētahi wā i memenge.

Mahue ventricular te marae-rua i te fibrosus annulus he āhua paku porotītaha.

pāhūhū 3 rau

Ki te whakaaro ki te maha o nga parirau (matamata) me ratou rahi i roto i tenei hanga, rite reira he kahore whakaaro. Kei te whakaaro te reira e te tito reira o 3 maha rerekē o ngā paki me wāhanga takawaenga vaolo ranei. Ki te tau, nui haere te maha o matamata ko e tika ana ki te wāwāhi o te mau papaa parau matua ki iti.

Ko te paki o matau nga mapuni te marae-ventricular e tārite endocardium e rārangi te marae tika, me te ana roro.

Te roro matau, aua hokahoka, 3 te tikanga e toru ngā rōpū o ngā uaua papillary. mai ratou i te roro matau (Front - te septal kaha tino, a ka hoki). Ko te maha o enei uaua, te rahi me te āhua e kore e te iwi taua. Ia rauoro uaua papillary e tuku 2-4, e, kouru, e piri ki te mata raro, me nga taha o te mātārere piha. ngā paki takawaenga iti piri ki te taiepa ventricular.

rangahau Heart takirere ko te pūtake taketake.

Ko te tau whakamutunga o te haamaramaramaraa mapuni supply pātai toto me ratou ontogeny.

Ko te kupu, i roto i tenei tuhinga i te pātai e pā ana ki te hanganga o te mapuni ngakau, tae atu bi- me te tri. Ka whai hua ki ngā ākonga o ngā pūtahi rata, me te hunga e anake hiahia ki te mahi i runga i tenei makehe tenei mōhiohio. Ano, ngā ākonga e ako i te koiora me te anatomy, ngā mōhiohio e pā ana ki te aha parirau o nga mapuni ngakau, ka kia hoki rawa ngā.

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