Biological activity of 1-tri-odothyronine and 1-thyroxine; observed as rate acceleration of the isolated rat auricle.
D000054:Acceleration; D000818:Animals; D006321:Heart / Q000187:drug effects*; D051381:Rats; D013974:Thyroxine / Q000494:pharmacology*; D014284:Triiodothyronine / Q000494:pharmacology*
D014284:Triiodothyronine; D013974:Thyroxine
HEART/effect of drugs on; THYROXIN/effects; TRIIODOTHYRONINE/effects