Kunzwisisa kuti magetsi emwoyo anobata sei
Kune mavhiri mana emwoyo mumoyo wemunhu ane utano. Mavhapiti anobatsira kuchengetedza ropa rakakodzera kufamba mukati memwoyo , kuchengeta ropa richifamba zvakanaka uye zvakanaka, uye nenzira yakarurama. Pamusoro pemagetsi ane makamuri mana emakamuri - makamuri okumusoro anonzi kuruboshwe uye neatrium yakarurama, makamuri apasi ari kuruboshwe uye kurudyi.
Mutsipa wemwoyo wakagadzikana unomira ropa kubva pakuyerera kubva mumoyo wekamuri kusvikira yava nguva yemwoyo kupompa ropa kune inotevera kuenda. Ivhavha inovhurika uye inopfigwa nechinyatsoziva nguva, ichibvumira mwoyo kupompa ropa zvakanaka.
Ivhavha iyo isingashandi zvakanaka ichaita kuti mwoyo ushande zvakaoma kudarika zvainofanira, sezvo ropa riri kuedza kufamba mukati mekutadza kwakashata kana zvinowanzoomera mwoyo kuti uwedzere ropa rakakwana reropa. Ropa rinogonawo "kunyura" kuburikidza nevhavha ine chirwere isiri kushanda zvakanaka.
Tricuspid Heart Valve
Ivhavhavhavha yevricuspid ndiyovhavha yokutanga iyo ropa rinopinda mukati memwoyo. Icho chimwe chezvivharo zviviri zveatrioventricular, zvinoreva kuti iripo pakati peatrium uye mhepo, mune izvi, kurutivi rworudyi rwemoyo. Inoumbwa nemakumbo matatu, kana mapepa, ayo anoshanda pamwe chete kuti amire uye atange kubuda kweropa.
Mapepa acho anonamatira kumisungo minuku, inonzi mapillary muscle, iyo inosimbisa kufamba kwemashizha.
Ivhavha inoputika inotanga kana maatric atrium, zvichiita kuti ropa riyerere mukati mevhu.
Ivha rinopisa, sezvinonzi mitral valve, imwe yezvivako zvemasvondo ekuputika uye kudzokerazve, mamiriro ezvinhu angangobatsira kurapwa mune zvekurapa.
Pulmonic Heart Valve
Ivhavha yeplmonic ivhavha yechipiri yemwoyo.
Kufanana nevharoti ye-aortic, inoshandurwawo sevhirivha yemasilunar, nekuda kwechimiro chayo. Inoratidzika pakati pekodzero yemakemikari uye chirwere chepermonary, chinotora ropa kumapapu. Apo mabvumirano akanaka e ventricle, magetsi anowedzera, achiita kuti ropa riyerere kumapapu.
The Mitral Heart Valve
Iyo mitral valve, kana bicuspid valve, ndiyo yevhavha yechitatu yemwoyo. Kungofanana nevhavhavha inoputika, ivhaji inowirivha inonzi, inoreva kuti inogara pakati pekupedzisira kweatrium uye kuruboshwe rwe ventricle. Oxygenated ropa inopfuura napamitral valve apo inorum zvibvumirano, zvichiita kuti ropa riyerere kubva muimba yepamusoro kusvika mumhepo yakadzika.
Iyo mitral valve inoumbwa nemapepa maviri, kana zviputi, izvo zvinoita kuti ropa rirege kupinda mukati me ventricle nokukurumidza. Apo magetsi atrium, mitral valve inotanga, zvichibvumira ropa kuti iende mukati mevhu.
Iyo mitral valve, yakafanana nevhavhavhavha, ine nzvimbo yakajairika yevhavhavha inowedzera nekudzokazve, mamiriro ezvinhu angada kubvunzurudzwa kwechiremba.
The Aortic Heart Valve
The aortic valve ndiyo yechina uye yekupedzisira yemwoyo valve, iri pakati pechipfuva chemaodzanyemba uye aorta. Ivhavha yacho ine mapepa matatu, kushanda pamwechete kumira ropa kuti isapinda muAorta nguva pfupi.
The valor valve inovhura kana zvibvumirano zvekuvhura, zvichiita kuti ropa rifambe kubva pamwoyo uye ratanga rwendo kune rumwe rutivi rwemuviri.
Matambudziko Evheti Yemoyo
Kunyange zvazvo mamwe mavhavha akawandisa kupfuura mamwe kuti ave nehutachiona hwehutaular, dzose dzemagetsi dzinogona kukurira matambudziko. Mune zvimwe zviitiko, dambudziko revhavha harina matanho uye richaonekwa chete nekuda kwomwoyo kugunun'una. Zvimwe zvinetso, zvakadai sokudzokazve, zvinogona kuuya nezviratidzo zvakadai sokupfupika kwefema kana kunzwa kwokuti mwoyo uri kushanda zvakaoma zvikuru.
Kana dambudziko racho ringave rakakomba, kuongororwa kunogona kukurudzirwa kuti uone kana chirwere chekugadzirisa magetsi kana chirwere chekushandura chinonzi valve chinofanira kufungwa.
Sources:
> Heart Valves. The American Heart Association.