Cov txheej txheem:
Video: Yuav ua li cas tshwm sim nyob rau hauv txhua feem ntawm nephron?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ib kawg ntawm txhua nephron , nyob rau hauv lub cortex ntawm lub raum, yog lub khob zoo li tus qauv hu ua Bowman's capsule. Nws nyob ib puag ncig cov kab mob capillaries hu ua glomerulus uas nqa ntshav los ntawm lub raum cov hlab ntsha mus rau hauv cov hlab ntsha. nephron , qhov twg plasma yog lim los ntawm cov tshuaj ntsiav.
Ntxiv mus, dab tsi yog qhov seem ntawm nephron?
Txhua tus nephron tau tsim los ntawm lub raum lub cev, thawj qhov kev lim dej tivthaiv; thiab lub raum tubule uas ua thiab nqa tawm cov kua lim dej
- Lub raum corpuscle.
- Glomerulus.
- Bowman lub capsule.
- Lub raum tubule.
- Hom los ntawm qhov ntev.
- Proximal convoluted tubule.
- Loop ntawm Henle.
- Distal convoluted tubule.
Ib yam nkaus, thawj feem ntawm nephron yog dab tsi? Promixal Convoluted Tubule Cov tubules sib thooj sib sib zog nqus yog thawj ntu ntawm lub raum tubule. Nws pib ntawm lub urinary ncej ntawm lub glomerulus. Qhov no yog qhov feem ntau (65%) ntawm glomerular filtrate yog reabsorbed.
Hauv qhov no, pes tsawg feem nyob hauv nephron?
Cov qauv no yog nyob rau hauv lub raum cortex. Koj kuj yuav tsum paub tias cov nephron yog tsim los ntawm ob lub ntsiab qhov : lub raum tubule thiab lub raum lub cev.
Kev tso tawm qhov twg hauv nephron?
Kev zais. Secretion, uas tshwm sim nyob rau hauv lub proximal tubule seem ntawm lub nephron , yog lub luag haujlwm rau kev thauj khoom ntawm qee cov molecules tawm ntawm cov ntshav thiab mus rau hauv cov zis. Cov tshuaj zais cia muaj xws li potassium ions, hydrogen ions, thiab qee cov xenobiotics.
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