In smooth muscle of rabbit stomachs, activities of hydrolytic and phosphorolytic enzymes of glycogen degradation under the influence of agents stimulating and blocking adrenergic alpha and beta-receptors were studied. The results indicate that beta-adrenergic receptor in smooth muscle activated not only phosphorolytic, but also hydrolytic degradation of glycogen, and the alpha-adrenergic receptor only inhibited phosphorolysis but had no influence on hydrolysis of glycogen.
Acetylcholine Amylases