![Vim li cas cov qe ntshav liab muaj lub neej luv? Vim li cas cov qe ntshav liab muaj lub neej luv?](https://i.answers-medical.com/preview/medical-health/13872012-why-do-red-blood-cells-have-a-short-life-span-j.webp)
Video: Vim li cas cov qe ntshav liab muaj lub neej luv?
![Video: Vim li cas cov qe ntshav liab muaj lub neej luv? Video: Vim li cas cov qe ntshav liab muaj lub neej luv?](https://i.ytimg.com/vi/iOkrQwV6zXU/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Vim li cas puas muaj cov qe ntshav liab zoo a lub neej luv luv ? Cov qe ntshav liab raug rau cov neeg kho tshuab kev nyuaj siab vim lawv ntws los ntawm ntau yam ntshav cov hlab ntsha hauv lub cev, tsim kev hnav thiab tsim kua muag. Tom qab txog 120 hnub, lub ntawm tes membrane ruptures thiab ntshav liab tuag.
Ua li no, vim li cas cov qe ntshav liab thiaj li muaj txoj sia luv?
Vim tias tsis muaj nuclei thiab organelles, paub tab cov qe ntshav liab tsis muaj DNA thiab tsis tuaj yeem ua ke ib qho RNA, thiab yog li tsis tuaj yeem faib thiab muaj peev xwm kho tau tsawg. Kev tsis muaj peev xwm ua tiav cov protein sib txuas txhais tau tias tsis muaj tus kab mob tuaj yeem hloov pauv mus rau lub hom phiaj tsiaj txhu cov qe ntshav liab.
Qhov thib ob, vim li cas cov qe ntshav liab tsuas yog nyob rau 3 lossis 4 hlis? Yog li ntawd, muaj yog ib txwm kwv yees tib yam ntawm cov qe ntshav liab hauv tib neeg lub cev. Ntau ntau hlwb tuag vim tias lawv laus thiab yuav tsum tau hloov los ntawm qhov tshiab hlwb . A ntshav liab nyob txog 3 hli ua ntej nws laus thiab qhia rau lub cev tiv thaiv kab mob kom noj nws.
Ib sab ntawm qhov no, vim li cas cov qe ntshav liab muaj txoj sia nyob 120 hnub?
Cov liab liab yog physiologically puas hauv tus po. Txhawm rau dhau los ntawm qhov khoob me me hauv splenic sinusoids xav tau deformability (yooj, elasticity) ntawm liab liab . Cov no cell tau cuab thiab nkag los ntawm splenic macrophages. Cov lub neej nruab nrab ntawm tib neeg ib txwm muaj red cell yog pom tias yog 120 +/- 20 hnub.
Cov qe ntshav liab nyob ntev npaum li cas?
txog 120 hnub
Pom zoo:
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Pyrrhocoridae. Ntau yam yog xim liab thiab paub tias yog kab liab thiab qee hom tsiaj hu ua paj rwb stainers vim tias lawv cov zaub mov pub tawm tsis muaj xim daj-xim av daj rau ntawm cov paj qoob loo
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Lub neej voj voog. Tib neeg cov qe ntshav liab yog tsim los ntawm cov txheej txheem hu ua erythropoiesis, tsim los ntawm cov kab mob qia hlwb mus rau cov qe ntshav liab loj hlob hauv li 7 hnub. Thaum matured, nyob rau hauv ib tug noj qab nyob zoo cov hlwb no nyob rau hauv cov ntshav ncig li ntawm 100 mus rau 120 hnub (thiab 80 mus rau 90 hnub nyob rau hauv ib tug tag nrho cov me nyuam mos)
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Txoj cai bronchus tseem ceeb, ntev li 2.5 cm, luv dua, dav dua, thiab ze ze dua li sab laug. Vim hais tias nws yog nyob rau hauv yuav luag ib txoj kab ncaj nraim nrog lub trachea, cov khoom txawv teb chaws traversing lub trachea yog feem ntau yuav nkag mus rau txoj cai lub ntsiab bronchus
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Cov dev uas raug mob los ntawm kev sib cuag dermatitis feem ntau yuav raug mob los ntawm cov pob liab liab thiab / los yog pob uas tshwm sim ntawm daim tawv nqaij uas tau tuaj rau hauv av (piv txwv li, lub puab tsaig, caj dab, hauv siab, plab, puab tais, qhov quav, qhov quav, qhov quav, qhov quav, thiab nruab nrab ntawm cov ntiv taw). Cov pob khaus no tuaj yeem nres sai sai ntawm cov plaub hau
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Thaum koj sib xyaw cov tshuaj insulin tsis tu ncua nrog lwm hom insulin, ib txwm kos cov insulin tsis tu ncua rau hauv rab koob ua ntej. Thaum koj sib xyaw ob hom tshuaj insulin uas tsis yog cov tshuaj insulin ib txwm, nws tsis muaj teeb meem dab tsi xaj koj coj lawv mus rau hauv lub raj mis