Table 1. Effects of electrical potential ΔV in the whole medulla and inner medullary external osmoles EIM on ammonia excretion.
| k | ΔTip SDL / LDL | Δ Top SAL / LAL | ΔUrine | |
|---|---|---|---|---|
| ΔV All segments | 0.5 | -9% / -6% | 17% / 19% | -7% |
| 2 | 19% / 11% | -27% / -30% | 14% | |
| ΔV AL | 0.5 | -10% / -6% | 17% / 19% | -6% |
| 2 | 20% / 12% | -27% / -30% | 13% | |
| ΔV CD | 0.5 | 0% / 0% | 0% / 0% | -1% |
| 2 | -1% / -1% | -1% / -1% | 1% | |
| EIM | 0.5 | -5% / 2% | 2%/ 37% | 3% |
| 2 | 8% / 4% | 1% / -43% | -5% |
Baseline value for each parameter is halved (k = -0.5) or doubled (k = 2). The results are presented as the percentage changes from baseline. The electrical potential has a small effect on urinary ammonia excretion.