Effect of exercise training on the chronotropic response of isolated rat atria to atropine.
Atria isolated from rats after 7 weeks of exercise training beat at a slower rate than did atria from sedentery controls. Atria from exercised rats showed a significant acceleration in response to atropine.
D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D006339:Heart Rate / Q000187:drug effects; D008297:Male; D005082:Physical Exertion; D051381:Rats; D013268:Stimulation, Chemical
D001285:Atropine