title: Demonstration and preliminary characterization of reaggregation-promoting substances from embryonic sea urchin cells.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D002118:Calcium / Q000494:pharmacology; D002449:Cell Aggregation; D002845:Chromatography; D004492:Edetic Acid / Q000494:pharmacology; D006818:Hyalin / Q000032:analysis; D006882:Hydroxyapatites; D005779:Immunodiffusion; D008274:Magnesium / Q000494:pharmacology; D012617:Sea Urchins / Q000032:analysis* / Q000166:cytology / Q000196:embryology; D014508:Urea / Q000494:pharmacology
chemical_list: D000596:Amino Acids; D006882:Hydroxyapatites; D014508:Urea; D004492:Edetic Acid; D008274:Magnesium; D002118:Calcium