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Fig. 2. Time course of contractile force in ventricle strips from male (A) and female (B) rainbow trout after exposure to ethanol (EtOH), epinephrine (Epi; 10 µmol l–1) 11-ketotestosterone (11KT; 0.3 µmol l–1), testosterone (T; 0.3 µmol l–1), cortisol (C; 0.1 µmol l–1 in males and 0.01 µmol l–1 in females) and estradiol (E2; 1.0 nmol l–1). Contractile force in E2-treated strips from males did not differ significantly from that in EtOH control strips. Similarly, force in 11KT- or T-treated strips from females did not differ significantly from EtOH control strips. All steroid values are means + S.E.M. (N=8–12). *P<0.05 versus EtOH control strips (epinephrine only), **P<0.05 versus EtOH control strips for all steroids.





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