title: Localization of amino acid hormones (adrenalin, serotonin, histamine and a hormone precursor (5-hydroxytryptophane) in Ascidia cells.
abstract: All tritiated amino acid hormones added to the maintenance medium of Ascidia mentulosa entered the cells of the coat and gut, and all appeared in intranuclear localizations. The quantitative differences in incorporation did not indicate a specific affinity for any hormone tested.
mesh_terms: D006916:5-Hydroxytryptophan / Q000032:analysis*; D000818:Animals; D004837:Epinephrine / Q000032:analysis*; D006632:Histamine / Q000032:analysis*; D012701:Serotonin / Q000032:analysis*; D014561:Urochordata / Q000032:analysis* / Q000166:cytology
chemical_list: D012701:Serotonin; D006632:Histamine; D006916:5-Hydroxytryptophan; D004837:Epinephrine