Fig. 5.

AVP content of consecutive 30 min dialysates collected simultaneously in the SCN and PVN of urethane-anesthetized rats (n = 6). Data are expressed as a percentage of baseline (100%, dotted line). The SCN was dialyzed with high K⁺ solution (56 mm) during the third dialysis interval and with 1 m NaCl–hypertonic medium during the fifth dialysis interval, whereas the PVN was dialyzed with 1m NaCl–hypertonic medium during the seventh dialysis interval. a, p < 0.05 versus dialysates 1 and 2; b, p < 0.01 versus dialysates 1, 2, 4, and 7; c,p < 0.01 versus dialysates 1, 2, 3, 4, and 7;d, p < 0.01 versus all other dialysates collected in the same region.