![Peb yam tseem ceeb uas tswj hwm qhov kev lim dej glomerular yog dab tsi? Peb yam tseem ceeb uas tswj hwm qhov kev lim dej glomerular yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14143432-what-are-the-three-factors-that-regulate-glomerular-filtration-rate-j.webp)
Video: Peb yam tseem ceeb uas tswj hwm qhov kev lim dej glomerular yog dab tsi?
![Video: Peb yam tseem ceeb uas tswj hwm qhov kev lim dej glomerular yog dab tsi? Video: Peb yam tseem ceeb uas tswj hwm qhov kev lim dej glomerular yog dab tsi?](https://i.ytimg.com/vi/oTKoYZtS3XM/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Peb yam tseem ceeb tswj tus nqi glomerular filtration (GFR). Peb yam no yog txo qis hauv kev ua haujlwm ntshav siab , ib txwm ua haujlwm ntshav siab , thiab nce hauv systemic ntshav siab . Lub cev yuav tsum tswj hwm homeostasis. Yog li ntawd, lub cev yuav teb rau txhua yam.
Yog li ntawd, dab tsi cuam tshuam rau glomerular filtration rate?
Glomerular filtration tshwm sim vim yog siab gradient nyob rau hauv lub glomerulus. Ua kom ntshav ntim thiab nce ntshav siab yuav nce GFR. Constriction nyob rau hauv afferent arterioles mus rau hauv lub glomerulus thiab dilation ntawm efferent arterioles tawm ntawm lub glomerulus yuav txo GFR.
Tsis tas li ntawd, ob txoj kev tswj hwm loj uas tswj cov glomerular pom tus nqi GFR yog dab tsi? Lub zog ntawd tswj xyuas hauv glomerular capillaries yog tib yam li txhua lub txaj capillary. Capillary hydrostatic siab (Pc) thiab Bowman qhov chaw oncotic siab (πi) nyiam pom rau hauv tubule, thiab Bowman qhov chaw hydrostatic siab (Pi) thiab capillary-oncotic siab (πc) tawm tsam pom.
Ib sab saum toj no, yam dab tsi cuam tshuam rau kev kuaj ntshav glomerular?
Cov yam uas txiav txim siab GFR yog net siv tau pom siab, yam ntxwv permeability ntawm glomerular membrane thiab nws thaj chaw. Txij li thaum GFR = 125 ml/min piv rau 2 ml/min pom tus nqi hauv txhua qhov capillaries ntxiv, Kf tus nqi ntau dua 60x siab dua hauv lwm cov hlab ntsha no.
Dab tsi yog qhov glomerulus lim?
Cov glomerulus filters koj cov ntshav Raws li cov ntshav ntws mus rau txhua tus nephron, nws nkag mus rau hauv cov hlab ntshav me me-the glomerulus . Cov phab ntsa nyias ntawm cov glomerulus tso cai me me molecules, pov tseg, thiab kua-feem ntau yog dej-kom nkag mus rau hauv tubule. Cov molecules loj dua, xws li cov protein thiab cov qe ntshav, nyob hauv cov hlab ntsha.
Pom zoo:
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