The activity of phosphorylase and the effect of glucagon on the yolk sac of the chick embryo.
D000818:Animals; D002642:Chick Embryo; D005321:Extraembryonic Membranes / Q000187:drug effects / Q000201:enzymology*; D005934:Glucagon / Q000494:pharmacology*; D005964:Glucosyltransferases / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques
D005934:Glucagon; D005964:Glucosyltransferases