title: [Ultrastructure of the X-Y pair in rats and its relations to cell nucleoli].
mesh_terms: D000818:Animals; D002455:Cell Division; D002466:Cell Nucleolus; D006651:Histocytochemistry; D008297:Male; D008854:Microscopy, Electron; D051381:Rats; D012730:Sex Chromosomes; D013094:Spermatozoa / Q000166:cytology; D013194:Staining and Labeling
vernacular_title: Ultrastructure de la paire X-Y chez le rat et sa relation avec les nucléoles.