CaafimaadkaDaawo

Qaybood Wing, qaab-dhismeedka iyo sifooyinka

fataahadda ee filtarka qalbiga ku jira ayaa muddo dheer soo jiidatay dareenka of cilmi. Ku xadgudubka shaqada architectonic ama qayb kasta oo ka mid ah hay'adaha waalka keenaysaa in carqalad zakryvatelnoy function waalka iyo dhaqdhaqaaqa shubto ee wadnaha oo dhan.

The mabaadiida guud ee qaab dhismeedka of septa atrioventricular

qaybood Wing ka kooban buunshada gooye giraanta sacadda iyo muruqyada papillary.

giraanta Madax yihiin foomka buunshada la mid noqoshada ee unugyada muruqa, kuwaas oo gudaha dahaarka endocardium. qaybood waalka waxa daboola endothelium ah, oo ay leeyihiin qaab oo israac raacsan.

In jihada ka wadne si lakabka ventricular dusha 3 jirta:

  1. Spongy.
  2. Fibrotic.
  3. Ventricular.

The salaysan waslad khafiif ah oo dhex-xidh buunshada oo ka fibrosus annulus yimaado.

qaybood Wing, ama halkii ay daaha spongy, cidhiidhi ah, ayaa wax badan oo fiiloyin laastikada in nudaha connective, kaas oo inta badan diiradda lagu saaray ku laayeen free of sacadda. Dunta laastikada yara weyn ee Tent ee waalka balanbaalis, tricuspid badan.

The fiiloyin collagen ventricular lakabka intaba.

waalka dusha

qaybood Wing waxay leeyihiin laba dusha - wadne iyo ventricular, oo laba af leh - go'an oo lacag la'aan ah.

Meesha of atrioventricular filtarka qalbiyada dadka badan degaanka ee filtarka ee xubnaha taranka ee haweenayda. aagga bivalve waalka Tricuspid weyn ku dhowaad 25%.

muruqyada Papillary la chords seed u sameeyaan qalbiga qalab subvalvular. Gooye ku lifaaqan baalasheeda. Oo dhererkeeda iyo dhumucda iyaga gaadho ugu badan ee 35-40 sano.

waalka balanbaalis

Number of waraaqo (Tent) ayaa 2 ilaa 6. Root:

  • hore, badanaa oo keliya, mararka qaarkood loo qaybiyay laba qaybood;
  • gadaal.

Waxay had iyo jeer weyn yihiin.

sacadda hore ee qaabka saddex xagal, waxaa ku lifaaqan ah saddex-meelood meel sare oo ka mid ah dillaac fudud, dambena in inta ka dhiman ayuu yiri waalka, waxa uu leeyahay qaab qaab. Labada leeyihiin goobaha xunxunna asalka iyo Boodaynin siman kala goday a.

xuubka hore ee waalka mitral eego functional waa aasaasiga ah, waxay u badan mobile, inta lagu guda jiro systole, xisaabiyenimo load ugu muhiimsan, sida uu ku dhacdaa bulk of cadaadiska dhiigga saaray by ventricle ah.

Rear dheer ku lug xiritaanka ee waalka. Muhiimadda functional waxaa ka mid ah oo yar yar.
filtarka sacadda chords go'an yihiin in ay muruqyada papillary.

gooye seed:

  • tolmo wanaagsan kooxda ventricular ee waalka meelaha xunxunna, mid kasta oo loo kala qaybiyey saddex threads u khafiif ah.

Si xuubka hore, taas oo uu leeyahay waalka sacadda 2 a, by muruqyada papillary lifaaqan 5-10 gooye, inay gadaal ka - 10-20, 20-30 fiiloyin mararka qaarkood soo gaaray.

Left ventricular atrio-dalool ee fibrosus annulus uu leeyahay qaab wax yar ka ofaalka.

marinka 3 daab

Iyadoo la tixgelinayo in tirada baalashaada (wareeg) oo ay size in qaab-dhismeedka this, sida ma jiro iswaafiqitaan. Waxaa loo arkaa in ay ka kooban yahay 3 tirada kala duwan ee qaybood iyo qeybaha dhexe iyo khaanadaha. Iyadoo da'da, tirada dhafoorka u korodho sabab u qaybsama of taarikada ugu weyn yar.

The qaybood oo ka mid ah khaanadaha atrio-ventricular waa qumman yihiin endocardium nuqul in khadadka Atrium midigta iyo ventricle.

ventricle saxda ah, siday u kala horreeyaan qaybood 3 caadiga ah waxa uu leeyahay saddex kooxood oo muruqyada papillary. Waxay soo jeedaan ventricle saxda ah (Front - septal ugu awooda badan, ka dibna dib). Tirada muruqyada kuwaas, cabbirka iyo qaabka aan nahay dadkii isku. Mid kasta oo ka gooye muruqa papillary diraa 2-4, taas oo, branching, waxaa ku lifaaqan dusha hoose iyo cidhifyada waraaqo waalka. qaybood dhexe Small dhegganaa derbiga ventricular.

cilmi waalka Heart waa aasaaska aasaasiga ah.

sano ee la soo dhaafay cadeeyo filtarka sahayda su'aalo dhiig iyo ontogeny.

Sidaas darteed, in this article su'aasha ku saabsan qaab dhismeedka iyo khaanadaha wadnaha ah, oo ay ku jiraan bi- iyo saddex. Macluumaad Tani waxay noqon doontaa mid waxtar leh in ay ardayda ka mid ah hay'adaha caafimaadka, iyo sidoo kale kuwa uun dooni inuu u dhaqmaan on this qaaska ah. Waxaa intaa dheer, ardayda waxay bartaan bayoolaji iyo anatomy, macluumaad ku saabsan waxa ay garabka ee filtarka qalbiga ku jira, sidoo kale noqon doonaa mid aad u xiiso badan.

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