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The colonic motor response to eating requires cholinergic transmission. Recent studies have identified two subclasses of muscarinic receptor, the M1 and the M2 subtype. The aim of this study was to evaluate the muscarinic receptor subtype responsible for mediating the gastrocolonic response. Spike potential (SP) activity and intraluminal pressure were(More)
The effects of some antimuscarinic compounds on oxotremorine-induced gastric damage, the pupil size and the pupillary light reflex have been studied in the rat. Unlike atropine, propantheline and methylscopolamine, pirenzepine is effective in preventing gastric erosions at doses much lower than those that affect pupillary reflex.
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