title: Ultrastructural and histochemical observations on spermathecal gland of Dytiscus marginalis L. (Coleoptera).
mesh_terms: D000818:Animals; D002467:Cell Nucleus; D001517:Coleoptera / Q000166:cytology*; D003594:Cytoplasmic Granules; D004549:Elastin / Q000032:analysis; D004702:Endocrine Glands / Q000032:analysis / Q000166:cytology*; D005260:Female; D005453:Fluorescence; D005836:Genitalia, Female / Q000166:cytology*; D006651:Histocytochemistry; D008853:Microscopy; D008854:Microscopy, Electron; D011134:Polysaccharides / Q000032:analysis; D011506:Proteins / Q000032:analysis
chemical_list: D011134:Polysaccharides; D011506:Proteins; D004549:Elastin