Figure 8From: Evaluation of gut modulatory and bronchodilator activities of Amaranthus spinosus Linn. Effect of (a and b) the crude extract of A. spinosus (As.Cr) and (c and d) isoprenaline in the absence and presence of propranolol (Prop.,1 μM) on force and rate of spontaneous contractions of isolated guinea-pig right atria. Values are shown as mean ± S.E.M., n = 3–5.Back to article page