title: Ultrastructural studies on the genus Actinomyces.
mesh_terms: D000190:Actinomyces / Q000166:cytology* / Q000254:growth & development; D002455:Cell Division; D002462:Cell Membrane; D002473:Cell Wall; D003470:Culture Media; D005613:Freeze Etching; D008854:Microscopy, Electron; D012270:Ribosomes
chemical_list: D003470:Culture Media