The dictyate oocyte of Microtus montanus.
D000818:Animals; D002466:Cell Nucleolus; D002467:Cell Nucleus; D005260:Female; D008540:Meiosis; D006080:Ovarian Follicle / Q000166:cytology; D010060:Ovulation; D010063:Ovum / Q000166:cytology*; D012377:Rodentia