title: Freshwater sponges as a material for the study of cell differentiation.
mesh_terms: D000818:Animals; D002449:Cell Aggregation; D002454:Cell Differentiation; D002633:Chemotaxis; D046508:Culture Techniques; D000242:Cyclic AMP / Q000502:physiology; D004247:DNA / Q000096:biosynthesis; D004463:Ecology; D006605:Hibernation; D006918:Hydroxyurea / Q000494:pharmacology; D009997:Osmotic Pressure; D011161:Porifera / Q000166:cytology / Q000187:drug effects / Q000196:embryology* / Q000378:metabolism; D012100:Reproduction, Asexual; D012822:Silicon Dioxide / Q000494:pharmacology; D013806:Theophylline / Q000494:pharmacology
chemical_list: D012822:Silicon Dioxide; D004247:DNA; D013806:Theophylline; D000242:Cyclic AMP; D006918:Hydroxyurea