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. 2017 Feb 8;312(6):F925–F950. doi: 10.1152/ajprenal.00536.2016

Table 6.

Segmental delivery and fluxes at baseline conditions

SF PCT PST sDHL AHLm AHLc DCT
Delivery
    Na, µmol/min 100.92 28.94 24.19 23.72 13.00 6.05
    K 3.51 1.15 1.48 1.66 0.61 0.47
    HCO3 17.53 2.66 2.39 2.53 1.21 0.62
    NH4 0.138 0.119 0.258 0.266 0.156 0.111
    Net acid −17.33 −2.45 −2.02 −2.12 −0.90 −0.29
    Urea 3.51 1.47 1.38 1.32 1.31 1.28
    FvM, µl/min 700.80 200.64 151.80 134.82 127.80 112.86
Reabsorption
    Na, µmol/min 72.00 4.75 0.47 10.72 6.94 3.23
    K 2.36 −0.34 −0.17 1.05 0.14 −0.13
    HCO3 14.87 0.27 −0.14 1.32 0.59 0.29
    NH4 0.019 −0.139 −0.007 0.110 0.044 −0.059
    Net acid −14.89 −0.42 0.10 −1.22 −0.61 −0.36
    Urea 2.03 0.10 0.05 0.01 0.03 0.05
    FvM, µl/min 500.40 48.82 16.99 7.03 14.93 17.75
JM - All PCT PST lDHLu lDHLl tAHL AHLm AHLc DCT
Delivery
    Na, µmol/min 105.36 28.09 23.50 22.65 22.14 21.46 15.79 10.49
    K 3.66 1.25 1.45 1.71 1.83 2.08 0.80 0.46
    HCO3 18.29 1.16 1.28 1.38 1.42 1.96 1.26 0.71
    NH4 0.144 0.225 0.260 0.276 0.272 0.238 0.175 0.089
    Net acid −18.09 −0.85 −0.93 −1.01 −1.06 −1.64 −1.02 −0.52
    Urea 3.66 1.62 1.48 1.46 1.85 1.75 1.72 1.69
    FvM, µl/min 731.40 197.82 149.76 130.32 123.00 123.00 121.32 117.06
Reabsorption
    Na, µmol/min 77.28 4.59 0.85 0.51 0.68 5.66 5.30 2.04
    K 2.40 −0.20 −0.26 −0.11 −0.26 1.28 0.34 −0.10
    HCO3 17.13 −0.11 −0.11 −0.04 −0.53 0.70 0.55 0.34
    NH4 −0.081 −0.035 −0.015 0.003 0.034 0.063 0.086 −0.077
    Net acid −17.24 0.09 0.08 0.05 0.58 −0.63 −0.50 −0.45
    Urea 2.03 0.14 0.03 −0.39 0.10 0.03 0.03 0.04
    FvM, µl/min 533.76 48.07 19.46 7.32 −0.02 1.66 4.27 5.54
Distal CNT CCD OMCD IMCD Excretion
Delivery
    Na, µmol/min 11.28 3.45 3.05 2.95 1.45
    K 1.16 4.78 4.35 3.30 2.57
    HCO3 0.70 0.46 0.42 0.18 0.00
    NH4 0.337 0.329 0.349 0.336 0.340
    Net acid 0.01 0.35 0.27 0.61 0.83
    Urea 2.88 2.77 2.68 2.53 1.82
    FvM, µl/min 206.64 90.60 56.56 40.57 32.12
Reabsorption Total Total OM Total IM
    Na, µmol/min 7.83 0.40 0.10 1.50 204.84 27.14 2.70
    K −3.62 0.43 1.04 0.74 4.60 2.404 0.369
    HCO3 0.24 0.04 0.24 0.17 35.81 2.165 −0.398
    NH4 0.008 −0.020 0.013 −0.004 −0.057 −0.011 0.034
    Net acid −0.35 0.08 −0.34 −0.22 −36.25 −2.350 0.418
    Urea 0.11 0.09 0.15 0.71 5.34 0.502 0.419
    FvM, µl/min 116.04 34.06 15.99 8.45 1400.40 158.02 15.75