title: Embryonic development of the glossiphoniid leech Theromyzon rude: structure and development of the germinal bands.
mesh_terms: D000818:Animals; D003593:Cytoplasm / Q000648:ultrastructure; D007865:Leeches / Q000166:cytology / Q000196:embryology* / Q000648:ultrastructure; D008854:Microscopy, Electron