Puas muaj cortical nephrons muaj Vasa?
Puas muaj cortical nephrons muaj Vasa?

Video: Puas muaj cortical nephrons muaj Vasa?

Video: Puas muaj cortical nephrons muaj Vasa?
Video: Cortical and Juxtamedullary nephrons 2024, Lub Xya hli ntuj
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Cortical nephrons (feem ntau ntawm cov nephron ) pib siab hauv cortex thiab muaj luv voj ntawm Henle uas ua tsis nkag mus tob rau hauv medulla. Cov loops ntev ntawm Henle thiab lawv cuam tshuam vasa ua recta tsim ib qho hyperosmolar gradient uas tso cai rau tsim cov zis ntau.

Ib yam nkaus, puas muaj cov qog nephrons puas muaj Vasa recta?

Lub ntsej muag cortical nephrons muaj peritubular capillaries uas tawm ntawm cov hlab ntsha ua haujlwm, thiab muab cov as -ham rau cov hlwb epithelial uas muaj tam sim no. Cov lus sib cav nephrons muaj ib qho qauv tshwj xeeb hauv cov hlab ntsha peritubular, hu ua vaj recta.

Tsis tas li ntawd, nephrons cortical ua dab tsi? Cov cortical nephrons nrog tsuas yog luv luv lossis tsis muaj voj voog ntawm Henle ua tsis koom nrog tsim cov zis ntau dua li lub cev kua. Txawm li cas los lawv ua tag nrho lwm yam uas nephron ua suav nrog kev pom glomerular thiab tubular reabsorption ntxiv rau kev tso tawm ntawm qee yam tshuaj.

Yog li ntawd, qhov txawv ntawm cortical thiab Juxtamedullary nephrons yog dab tsi?

Juxtamedullary nephron yog lub tshuab ua haujlwm me me thiab ua haujlwm zoo ntawm lub raum nrog a Lub voj voog ntev ntawm Henle. Cortical nephrons muaj lub voj luv ntawm Henle, uas nkag mus rau sab hauv lub raum medulla nkaus xwb. Juxtamedullary nephrons muaj lub voj ntev ntawm Henle nthuav dav tob rau hauv lub raum medulla.

Hauv cheeb tsam twg ntawm lub raum muaj cov nephrons cortical?

Muaj yog ob hom cov nephron - cortical nephrons (85 feem pua), uas yog sib sib zog nqus hauv cev cev , thiab juxtamedullary cov nephron (15 feem pua), uas nyob hauv cev cev nyob ze rau ntawm lub raum medulla.

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