Semilunar belofo pelo: mohaho, sebaka. lijana Semilunar valve

Semilunar valve - tlhaloso bona fanoeng sehloohong sena. Ho phaella moo, ka kōpo bala boitsebiso bo ka tlaase mona, u ka ithuta ka tšebetso ea di-valve joalo ka 'mele oa motho, sebopeho bona, libaka tseo ho eona li le hona teng. Dintlha, ha ho pelaelo hore, ho thahasella ho mang kapa mang le thahasello ka kaheho ea batho.

Boikemisetso ba phunyang

Ka 'mele, e leng e mochine rarahaneng, ho na le lisebelisoa tse ngata hore a tsamaise ho phalla ka tsela e nepahetseng. disebedisweng tse joalo ba sebakeng sa mesifa pelo - ba tse rarahaneng haholo. Hape, ba ka lijaneng tsa capacitance tsa calibers tse sa tšoaneng.

The belofo unit trust - sete ya dibopeho anatomical eo, ha ho sebetsa 'moho ho thibela khutlisetsang (retrograde) mali sisinyehang.

Mefuta e sa tsoaneng ya di-valve pelo

• Pele sehlopheng - sebopeho arola ho atrium le ventricles.
• Sehlopha sa bobeli se - ho di-valve teng ka mateano a aorta le methapo mothapo kutu, ka tebelwa sebakeng lijana tsena tswa ventricles ba pelo.

Aortic le methapo-valve na le mehaho e latelang:

1. belofo Semilunar (semilunar pelo di-valve).

2. libaka pakeng tsa flaps (mezhzaslonochnye dikhutlotharo).

3. sinusitis.

4. lesale fibrous (ho ba teng ha tseo e tšohloa).

semilunar uputsa

E le seoli sebopeho ka di-valve tsena di feela kenyelelitsoe flaps tsena hantle bitsa tsena di-valve ke aortic phunyang le methapo kutu semilunar belofo. di-valve bobeli na flaps tse tharo. aortic belofo o na le tokelo, setse le dampers morao. A belofo ka kutu methapo sebakeng sa morao - pele.

Litekanyo dampers fapana ka batho ba lilemo tse sa tšoaneng, ho na le boetse ho na le makgetha a ho motho ka mong. E le busa, e le bophara ba aortic semilunar belofo batsi ho feta ea sinuses aortic, 'me bophahamo ba, ho fapana le hoo, e ka tlaase. Sebopeho sena thusa hore ho displacement bona fatše 'me le koaloa phunyang ha a ntse a ho tlatsa ba le mali. The sinuses aortic ba sebakeng molomong oa mothapo ho gogoga.

di-valve Semilunar ba haufi anulus ena. Di thehoa ke lemenong la endocardium ena. Ho na le o ka pele, ka ho le letšehali le le letona sekele e bōpehileng joaloka uputsa. tunics bona ka molomo amanang ho ea lipheletsong tsa sines. Flaps le sinuses lune sebopeho. Sekele e bōpehileng joaloka uputsa boholo kholoanyane hanyenyane ho feta sinuses methapo.

The sinuses ea phunyang aortic le belofo methapo

Sinuses aorta le methapo methapo - sebaka pakeng tsa mong le e sa semilunar zatvorok le leboteng sejana.

Bophahamo ba sinuses aortic batho ba baholo 1.7-2 cm,, botebo ba ho tloha 1.5 ho 3 limilimithara. Ho tebisa le sinuses le hlaha ka lilemo. Libaka tse pakeng tsa flaps ba ile ba lokisetsa le bapile ka mahlakore, na le mofuta o mong oa dikhutlotharo le botlaaseng e tobane le ho ventricles ena. Triangles li entsoe ka collagen le rekere likhoele, ba kokangana le theha e uputsa belofo fibrotic lesale.

Karolong e ka tlaase ea aorta oval sebopeho fibrous thehoa le prongs tse tharo, tšoanang moqhaka.

E le karolo ea kutu methapo hangata di a mararo sinus ka pele, le letšehali le le letona. Ka linako tse ling tse peli sine etsahala. The boholo bo sa sinuses tsena li fapane haholo ka lihlopha tse fapaneng lilemo, hammoho le ho ba le litšobotsi tse ka bomong. Ho batho ba baholo, e le letšehali sinus ya bophara ba 19-32 limilimithara, bolelele ba 12-16 limilimithara, 20-32 limilimithara le tokelo ea 10-15 limilimithara. Front 20-30 limilimithara le 10-15 limilimithara ho latellana.

Hase bohle ba hlokomela hore ho na le sebopeho fibrous botlaaseng ba kutu methapo.

The mochine oa di-valve ho

Crescent semilunar belofo thibela mali ho khutlela ka ventricles ena.

Nakong ea khutsufatso ea mali pelo mesifa ka ventricles e hahabang ka litaelo tse peli tse: ho elella valve semilunar, 'me ho lehlakoreng la atria ena. Ho Finyella valve atrioventricular, mali impinges ho tsona, 'me di-valve le Snap koala. Eketsa khatello ea ho cavity tsa ventricles bobeli. Khatello ka seoli semilunar eketseha phunyang le feta hore ka aorta le mothapo methapo. Tsela feela ea ho Tsoa kemisong ea mali e tshisinyo ho aorta, 'me ho tloha ventricle nepahetseng - kutu methapo. Ka ba boemong bona, ka di-valve uputsa ba koaloa 'me semilunar bulehileng.

Ha jwale ho tswa ho le letšehali ventricle cavity rushes nģ'a aorta, e mechine bakeng belofo semilunar leboteng aortic. Ka mor'a ho lelekoa ha mali ho tswa cavity le ventricular Slam sinuses aortic. Ventricular boikhathollo le hlaha 'me mali a e tsoibitsoe ka mothapo ho atisa ho etsolla ka ho teba, e ventricle setseng. Sinuses ba methapo e tletse ka mali, le sekele e bōpehileng joaloka di-valve aortic koahetsoe. mali ha e phalla e khutlela cavity le ventricular.

Hape e sebetsa methapo semilunar belofo.

Aortic le methapo-valve thibela khutlisetsang motsamao oa lijana kgolo mali ka cavity le ventricular qetellong ea systole.

lijana Semilunar valve

'Meleng, ho na le mofuta oa di-valve semilunar, e na le sebopeho bonolo ho feta pelong ea ka, empa mosebetsi bona ha bo fetohe. Sebopeho sena thibela retrograde motsamao oa mali.

di-valve Semilunar sebakeng methapong itseng (maoto, maoto le matsoho ka holimo), hammoho le lijana tsa lisele tsa mmele.

tsamaiso ea venous e emeloa ke marangrang a methapo ea resistive, oo e leng mosebetsi oa ho tsamaisa mali ho pelo le letona khahlanong le matla a khoheli ea lefatše. venous lijana oona tsamaisong na tlase tsoetseng pele mesifa lera ho feta ka methapo e. Ba na le mekgwa e fapaneng ya phallo ea mali ho tswa ho likarohano e ka tlaase ka ho teba. E mong oa mekgwa etsehang ke ho ba teng ha di-valve semilunar.

mothapo valve na mamati a mabeli, belofo rollers le leboteng sejana. Belofo sebopeho ka feta sebakeng sa methapong leoto. Mohlala: e kholo subcutaneous Vienna o di-valve ho fihlela ho tse leshome venous.

pathologies

Ha hataketse botšepehi kapa mosebetsi ea phunyang ka lebaka la kotsi kapa ho ruruha, ho ntshetsa pele maemo pathological tse tlamehang ho o ile a hlokomela 'me ba qale ho phekoloa nepahetse (a hlobaetsang le, kapa nako e telele cardiac khaello tabeng ea tšenyo e ya di-valve pelo).

Tsebahalang bolwetse ea methapong tse amanang le ho tlōla-valve ke varicose leoto lefu, e leng kotsi bakeng sa mathata a lona (thrombophlebitis, leoto ho ruruha, blockage ea mothapo le methapo). Jwale, meriana ea kajeno e na le litsela tse sa tšoaneng e atlehang ea ho tsosolosa ea ka tšebetso e tloaelehileng ea 'mele, ka ho khetheha, le di-valve. Ka tlhaho, mong le e mong sebetsana le nyeoe e behilweng ke atamela motho ho motho eo kula.

Kahoo, re hlahloba mosebetsi wa di-valve semilunar, boikarabelo ba bona ba ho ea ka tšebetso e akaretsang ea 'mele oa motho, le mathata a hore' na ra jara mafu a le lefu la amanang le di-valve ena.