title: Does cyclic-3',5'-AMP induce glutamine synthetase in embryonic neural retina?
mesh_terms: D000818:Animals; D002642:Chick Embryo; D002854:Chromatography, Paper; D003124:Colorimetry; D000242:Cyclic AMP / Q000494:pharmacology*; D006152:Cyclic GMP / Q000494:pharmacology; D004790:Enzyme Induction / Q000187:drug effects; D004837:Epinephrine / Q000494:pharmacology; D005974:Glutamate-Ammonia Ligase / Q000096:biosynthesis*; D006854:Hydrocortisone / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D009924:Organ Culture Techniques; D012160:Retina / Q000187:drug effects / Q000196:embryology / Q000201:enzymology* / Q000378:metabolism; D013806:Theophylline / Q000494:pharmacology
chemical_list: D013806:Theophylline; D000242:Cyclic AMP; D005974:Glutamate-Ammonia Ligase; D006152:Cyclic GMP; D006854:Hydrocortisone; D009638:Norepinephrine; D004837:Epinephrine