title: A neurohormone from hydra is present in brain and intestine of rat embryos.
mesh_terms: D000818:Animals; D001921:Brain / Q000196:embryology; D001923:Brain Chemistry; D002478:Cells, Cultured; D006133:Growth Substances / Q000032:analysis*; D006829:Hydra; D007422:Intestines / Q000032:analysis* / Q000196:embryology; D008940:Mitotic Index; D010455:Peptides / Q000032:analysis; D051381:Rats
chemical_list: D006133:Growth Substances; D010455:Peptides