Nku flaps: Ọdịdị na e ji mara

The morphology nke obi valves ka ogologo dọtara uche nke na-eme nnyocha. Mebiri nke architectonic ọrụ ma ọ bụ akụkụ ọ bụla nke valvụ ngwa na-eduga ná emeghasịkwa zakryvatelnoy valvụ ọrụ na pumping ọrụ nke obi dị ka a dum.

The n'ozuzu ụkpụrụ nke ihe owuwu nke atrioventricular septa

Nku flaps nkejikotara fibrous mgbanaka flaapu aghọta ihe atụ na papillary uru.

Valvụ mgbanaka bụ fibrous ụdị na Nsonye nke muscle mkpụrụ ndụ, nke na-internally ntekwasa endocardium. valvụ flaps na-kpuchie site endothelium, na nwere a layered Ọdịdị.

Na ntụziaka si atrial na ventricular n'elu oyi akwa 3 dị:

1. Nzà.
2. Fibrotic.
3. Ventricular.

Ndabere nke na-eke n'úkwù fibrous efere nke na-abịa site annulus fibrosus.

Nku flaps, ma ọ bụ kama ha nzà oyi akwa, warara, nwere otutu nke na-agbanwe ozi ndị dị connective anụ ahụ, nke na-tumadi-lekwasịrị anya free ihu flaapu. Dịtụ ukwuu agbanwe ozi ndị dị petals nke urukurubụba valvụ, tricuspid karịa.

The oyi akwa ventricular collagen esiwọrọ ebukarịghị.

n'elu valvụ

Nku flaps abụọ ebupụta - atrial na ventricular, na abụọ n'ọnụ - ofu na free.

The ebe atrioventricular valves ndị karịrị obi nke ebe valves na nwanyi akụkụ. Tricuspid valvụ bivalve ebe ukwuu site dị 25%.

Papillary uru na akaị chords etolite obi subvalvular ngwa. -Aghọta ihe atụ mmasị ka nku. Ogologo na ọkpụrụkpụ nke ha esịmde ya kacha na 35-40 afọ.

urukurubụba valvụ

Number nke mpempe akwụkwọ (petals) nwere si 2 to 6. Root:

• n'ihu, mgbe mgbe, naanị, mgbe ụfọdụ, kewara abụọ n'akụkụ;
• n'azụ.

Ha na-mgbe nnukwu.

The n'ihu flaapu nke zita udi, bụ mmasị na elu-na-atọ nke medial, posterior ka fọdụrụnụ nke kwuru valvụ, o nwere akụkụ anọ udi. Abụọ nwere a ezigbo basal na apical ike ike zones iche site na a crest.

The n'ihu n'ọnụ ọnụ nke mitral valvụ na ọtọ okwu bụ isi, ọ bụ ihe mobile, n'oge systole, aza ajụjụ maka isi ibu, dị ka ọ na-enweta nnukwu nke mgbali nke ọbara ejected site ventricle.

N'azụ ogologo abuana ke mmechi nke valvụ. The ọtọ pụtara na ọ nta.
Flap valves chords na-ofu aka papillary uru.

Akaị aghọta ihe atụ:

• kpara na ventricular n'akụkụ nke valvụ na ike ike ebe, onye ọ bụla kewaa atọ thinner eri.

Ka n'ihu n'ọnụ ọnụ, nke nwere a flaapu valvụ 2, site papillary uru mmasị 5-10 aghọta ihe atụ, n'azụ - 10-20, 20-30 mgbe ụfọdụ akaị emep uta eri.

Ekpe ventricular atrio-onu na annulus fibrosus nwere a ubé oval udi.

3 agụba damper

Banyere ọnụ ọgụgụ nke nku (lobes) na ha size a Ọdịdị, dị ka e nweghị otutu mmadu kwenyere. Ọ na-atụle na ọ na-emi esịnede 3 dị iche iche ọnụ ọgụgụ nke flaps na márá agba ma ọ bụ valves. Na afọ, ọnụ ọgụgụ nke ndị lobes na-ụba n'ihi gbawara nke isi efere n'ime nta.

The flaps nke nri atrio-ventricular valves bụ oyiri endocardium na edoghi nri atrium na ventricle.

Nri ventricle, karị Flaps 3 na-emekarị nwere atọ dị iche iche nke papillary uru. Ha sitere si nri ventricle (Front - kacha ike, na mgbe ahụ azụ septal). The ọnụ ọgụgụ nke ndị a uru, hà na udi na-abụghị otu ndị. Onye ọ bụla papillary muscle aghọta ihe atụ na-eziga 2-4, nke, branching, na-mmasị ka ala elu na n'ọnụ nke valvụ mpempe akwụkwọ. Obere n'etiti flaps mmasị ka ventricular mgbidi.

Heart valvụ research bụ isi ihe ndabere.

The ikpeazụ afọ nke clarifying ajụjụ ọbara esenyịn valves na ha ontogeny.

N'ihi ya, n'isiokwu a ajụjụ banyere ihe owuwu nke obi valves, gụnyere bi- na Tri. Nke a na ozi ga-aba uru ụmụ akwụkwọ nke ọgwụ na ahụ ike oru, nakwa dị ka ndị na chọrọ na-eme ihe a ọpụrụiche. Ọzọkwa, ụmụ akwụkwọ na-amụ usoro ndu na Mmebe, ihe ọmụma banyere ihe nku nke obi valves, ga-akpali nnọọ mmasị.