title: [Morphological study of the spermathecal gland of Dytiscus marginalis L. (Coleoptera)].
mesh_terms: D000818:Animals; D001517:Coleoptera / Q000033:anatomy & histology*; D005260:Female; D005836:Genitalia, Female / Q000166:cytology*; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa; D013194:Staining and Labeling