title: Long-lasting preparations of mammalian oocytes stained by the aceto-orcein method.
mesh_terms: D000818:Animals; D006224:Cricetinae; D005260:Female; D009865:Oocytes / Q000166:cytology*; D010063:Ovum / Q000166:cytology*; D010078:Oxazines; D051381:Rats; D013194:Staining and Labeling / Q000379:methods*
chemical_list: D010078:Oxazines; C018437:aceto-orcein