ImpiloImithi

Ukuthini ivolumu corpuscular lehla: Izimbangela

Amangqamuzana egazi zihlukaniswe zokuzivikela futhi zokuthutha. Ukuze usebenzise yokuvikela emhlophe egazi nama-platelet. Ukuze ezokuthutha kukhona erythrocyte.

Uyini abomvu egazi

amaseli abomvu egazi - red lwengqamuzana yegazi. Umsebenzi oyinhloko abasenzela, - ezokuthutha wegazi amagesi (carbon dioxide ne-oksijini) ka kwezicubu emaphashini futhi emuva.

Ukuze ukuhlola isimo kula maseli ukunquma ezinye nemingcele njalo. Lezi zihlanganisa abomvu cell count, erythrocyte ivolumu, ubungako bawo shape.

Inombolo kwamangqamuzana egazi abomvu wayezimisele endaweni kwegazi jikelele. Usayizi futhi ukuma amaseli - kuhlolisiswa ezincane wegazi smear. A kusho corpuscular ivolumu-hemoglobin lokuhlushwa azimisele kuphela ngaphansi ucwaningo ekhethekile. Ngokusekelwe kulezi idatha sahlulelwa izici zawo zisebenza kahle.

Kwezinye izifo zingashintsha nemingcele ezahlukene kulezi cells.

Kungenzeka kanjani ukuba sithole kusho ivolumu corpuscular? Ngenxa yale njongo, i enwetshiwe segazi, lapho ivolumu kungatholakala futhi kuseli eyodwa.

Ucwaningo kwamangqamuzana egazi abomvu

Ukunqunywa kusho cell ivolumu kwenziwa computations zezibalo. Inkomba itholwa sokuhlukanisa hematocrit ngenani isilinganiso kwamangqamuzana egazi abomvu.

Le nkomba linendima ebalulekile e sitholakele isifo sokulahlekelwa igazi nazo ushintsho abomvu egazi osayizi, okuholela ukuba kwabo phansi futhi umonakalo bokuphila. Kule ndaba, kukhona ukuthuthukiswa ezifanele ngayinye isithombe emitholampilo ye isifo.

Izinga evamile ubhekwa volume of mayelana 90 femtolitrov. Imfuyo inombolo ebonwe ukuthuthukiswa igazi macrocytic. Ukwehlisa inani phambili ekuthuthukiseni kanye microspherocytosis mikrotsetarnoy igazi. Lezi amangqamuzana abomvu egazi ngokushesha afe ngenxa kwabo phansi.

Umqulu isilinganiso kwamangqamuzana egazi abomvu kuyehla uma lezi zifo. Lokhu kwasusa ukuntuleka ezinye izakhi ezidingekayo ekukhuleni evamile nokuthuthuka kwamangqamuzana egazi abomvu.

anaemia

Njengoba kushiwo, izifo eziyinhloko encishisiwe kusho ivolumu corpuscular, kukhona igazi. Bonke zingafani yokuntuleka izinto ezithile, okuholela kwetinhlavu ayilungile kwamangqamuzana egazi abomvu, futhi ngenxa yalokho, ukungasebenzi yabo. Kwakuthinta eshiwo ngenhla ukuthi abomvu egazi ashaye - izakhi ezinkulu kwezokuthutha igazi, okungukuthi, endaweni yokuqala uzobe ukulethwa umoya-mpilo ne-carbon dioxide exchange ne iphazamiseke ...

Ukwabela izinhlobo ezinjalo kwegazi, ezifana yensimbi, anaemia sideroblasticheskaya, thalassemia. Zonke lezi zifo, lapho ukulethwa okungazelele ngokwehla kwezinga lokunakekelwa kwezempilo, kungaholela yokuphula abalulekile kwi ingxenye zonke izinhlelo kanye nezinhlaka isiguli. Ukuzibandakanya Kunokwenzeka inqubo sokugembula kanye nezinye izakhi of hematopoiesis.

Ukubhekana nale nkinga ikakhulu zegazi, nakuba uphethwe eyinhloko lezi zifo kufanele eyenziwa abelaphi wesifunda.

Ngenxa yalokho ethuthuka idatha-ukuntula kwegazi, futhi yini izici ejwayelekile ngamunye wabo? Kungani-ke ngakho kwenzeka ukuthi ivolumu kusho corpuscular lehliselwa?

Isifo sokulahlekelwa yigazi elihlobene ne yensimbi ukuntula in igazi

Okuvame kakhulu yensimbi ukuntula igazi. Lolu hlobo lwe-pathology kubangelwa iziyaluyalu-hemoglobin zamagama - amaprotheni ezokuthutha main eziqukethwe erythrocyte. Lokhu-molecule unesibopho yokubopha i-oksijini imuncwe emaphashini kanye ezokuthutha yayo ezicutshini.

Iron iyona ion ezinkulu, kudingeka lokwakha i-molecule ye-hemoglobin. Uma enganele isinxephezelo funa oksijini, umzimba uqala ukukhiqiza erythrocyte ezincane (m. E. Quality umsebenzi iyinombolo esikhundleni amaseli).

Yonke imininingwane kancane kunokujwayelekile abomvu egazi ashaye ngosayizi. Ngakho, ivolumu kusho corpuscular lehliselwa kuseli ngayinye. izakhi okunjalo ngeke likwazi ukunikeza ngokugcwele kwezicubu nge-oksijini, okuyinto kuphakamisa ethile isithombe emtholampilo.

Naphezu kweqiniso lokuthi amangqamuzana abomvu egazi akhiwa mancane kakhulu kunalawo kufanele, inamba isala esikhathini uhla evamile. Ngulona logeleta futhi iphathwa elula kunazo zonke izinhlobo ngenhla igazi.

thalassemia

Thalassemia kuyinto isifo esidluliselwa ngofuzo, okuholela synthesis hemoglobins ongaphilile. Kukhona degrees ezintathu ngobucayi isifo - imnene, ngokulinganisela futhi ezinzima.

Kulesi isifo kuguquka iphuzu has nomthelela obalulekile wonke isakhiwo, ingqamuzana elithwala umoya. Ngenxa yalokho we zofuzo ukungasebenzi stop kwakhiwa i-hemoglobin uchungechunge, lapho kuba engaphelele. -hemoglobin okunjalo ngeke babakhona isimo ezinzile, okuyinto nokuthi sisho ukuthini? Erythrocyte ethwele molecule anjalo abakwazi zibe zinde egazini. Hemolysis eba kubo, okuholela ukuwohloka okukhulu kwesimiso lesiguli nokuthuthukisa ukushaqeka.

Ngenxa yokuthi kukhiqizwa hemoglobin onesici, egazi abomvu akukwazi like udinga ukwenza njalo. Ngenxa yalokhu, kanye kunciphisa umthamo kwamangqamuzana egazi abomvu, kukhona ukuphazamiseka ukusebenza kwezithuthi.

Lesi sifo sivame uma kakhulu, okwenza kube esinye sezizathu esiyinhloko ukunciphisa ivolumu kwamangqamuzana egazi abomvu.

Sideroblasticheskaya anaemia

Lesi simo libhekene nokuntuleka B6, okuholela kungukuchotshozwa zokwenziwa izinqubo ngenxa lapho-hemoglobin engaphelele. Ngo elinikeziwe amaprotheni-molecule futhi proporfirinov coproporphyrins enganele. Ngenxa yalokhu-mpilo okhathazekile ngibopha erythrocyte nevolumu yabo incipha.

Ngenxa okungafanele zamagama isici izinhlamvu ziqala ukwakheka erythroblasts nensimbi sokuzuza le cytoplasm cell. Yesilinganiso amaseli anjalo esikhathini isibonakhulu zinqunywa ngesimo erythroblasts nge inclusions cytoplasmic.

Ngenxa zamagama engaphelele kwamangqamuzana egazi abomvu ukuthuthukisa ezinzima anaemia umtholampilo. zamangqamuzana abomvu egazi onesici cishe musa ukufeza umsebenzi ezokuthutha, okuholela kwetintfo zokwenana nalo impilo yonke umzimba. Isibalo amangqamuzana abomvu egazi kuleli sifo kuyelelwe bonyana akukafaneli kuphulwe, kodwa ngokushesha afe.

Lesi sifo edinga esiphuthumayo ngenhloso yokwelapha ezifanele. Ngezinye okungazelele ukusiza kungenzeka ebulalayo.

Similar articles

 

 

 

 

Trending Now

 

 

 

 

Newest

Copyright © 2018 zu.unansea.com. Theme powered by WordPress.