Fig. 1.

Concentration–response curves to a KCl (5–120 mM) and b the analogue of thromboxane A₂ U46619 (10⁻⁹ to 3×10⁻⁷ M) in aortic rings from 3-, 6-, and 10-month-old SAMR1 and SAMP8 mice. Each data point show mean ± SEM from n = 10 mice for each group