title: The effect of follicular aging on the ultrastructure of the rat oocyte.
mesh_terms: D000375:Aging; D000818:Animals; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D004971:Estrus; D005260:Female; D006056:Golgi Apparatus; D008854:Microscopy, Electron; D008928:Mitochondria; D010060:Ovulation; D010063:Ovum / Q000166:cytology*; D011247:Pregnancy; D051381:Rats