title: Stimulation of cell aggregation by theophylline in the asexual reproduction of fresh-water sponges (Ephydatia fluviatilis).
mesh_terms: D000818:Animals; D002449:Cell Aggregation / Q000187:drug effects; D000242:Cyclic AMP / Q000494:pharmacology; D011161:Porifera / Q000166:cytology / Q000187:drug effects* / Q000502:physiology; D012098:Reproduction / Q000187:drug effects; D013268:Stimulation, Chemical; D013806:Theophylline / Q000494:pharmacology*
chemical_list: D013806:Theophylline; D000242:Cyclic AMP