Dab tsi yog kev sib pauv pauv hauv lub raum?
Dab tsi yog kev sib pauv pauv hauv lub raum?

Video: Dab tsi yog kev sib pauv pauv hauv lub raum?

Video: Dab tsi yog kev sib pauv pauv hauv lub raum?
Video: Sib Pauv Zog By Huab Vwj; Celesna Lor Ft Leekong Xiong; Nuj xeem 2024, Lub rau hli ntuj
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Countercurrent multiplication nyob rau hauv lub ob lub raum yog cov txheej txheem ntawm kev siv lub zog los tsim cov osmotic gradient uas ua rau koj rov nqus dej los ntawm cov kua dej hauv tubular thiab tsim cov zis muaj zog.

Ntxiv rau qhov no, dab tsi yog qhov kev sib pauv pauv hloov pauv?

Countercurrent pauv yog a tshuab tshwm sim nyob rau hauv qhov xwm txheej thiab ua piv txwv hauv kev lag luam thiab kev tsim vaj tsev, uas muaj kev sib tsoo ntawm qee yam khoom, feem ntau yog cua sov lossis qee yam tshuaj, nruab nrab ntawm ob lub cev ntws ntws sib txawv ntawm ib leeg.

Ib sab saum toj, dab tsi yog lub hom phiaj ntawm kev sib pauv hloov pauv hauv lub voj ntawm Henle? Cov countercurrent Lub kaw lus tso cai tsim cov zis dilute Thaum tsis muaj ADH, cov kua dej hyposmotic uas nkag mus rau DT los ntawm lub voj voog ntawm Henle , tseem yuav diluted los ntawm kev thauj ntawm NaCl ntawm NaCl (thiazide rhiab heev) cotransporters rau hauv DT hlwb thiab ntawm Na channels (amiloride rhiab heev) raws CD.

Ib qho ntxiv, dab tsi yog cov txheej txheem tiv thaiv tam sim no hauv nephron?

Cov counter tam sim no mechanism yuav siv qhov chaw hauv Juxtamedullary nephron . Kev ua haujlwm ntawm countercurrent tus lej yog tsim cov hyperosmotic Medullary Interstitium. ADH txhawb nqa dej reabsorption los ntawm cov phab ntsa ntawm lub distal convoluted tubule thiab sau duct.

Dab tsi yog qhov sib txawv ntawm qhov sib npaug sib npaug sib npaug?

- Tsis zoo li lwm tus countercurrent systems , a countercurrent multiplier system siv zog hauv kev thauj mus los. - A countercurrent multiplier system suav nrog lub txaj capillary. Tsis zoo li lwm tus countercurrent systems , a countercurrent multiplier system siv zog hauv nquag thauj.

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