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Countercurrent or two soute system in Schuam's?

Discussion in 'DAT Discussions' started by boomboom2dolla, Dec 8, 2008.

  1. boomboom2dolla

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    In Schuam's review there is the countercurrent and a slightly modified version of that (2 solute) for the renal mechanism.
    Do I just go with the countercurrent?
    Also, how is it that the distal tubule is hypoosmotic but yet water diffuse out into the surrounding tissue, what causes it to do so?
     
    #1 boomboom2dolla, Dec 8, 2008
    Last edited: Dec 8, 2008
  2. peyman2002

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    for ur second question, I think the reason is that the distal tubule is permeable to Na thus Na diffuses out making the interstitial environment hyperosmotic thus water diffuses out.
     

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