[Differentiated action of extracts of the circular and longitudinal muscles of the small intestine on contractile activity of the frog heart].
D000818:Animals; D001001:Anura; D004285:Dogs; D006321:Heart / Q000187:drug effects*; D007421:Intestine, Small; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles; D014020:Tissue Extracts / Q000494:pharmacology*
D014020:Tissue Extracts
Acţiunea diferenţiată a extractelor musculaturii circulare şi longitudinale a intestinului subţire asupra activităţii contractile a inimii de broască.