Fig. 2From: Aged mice ovaries harbor stem cells and germ cell nests but fail to form folliclesAged ovaries showing hyperplasia of OSE. A-B. 18 months old, aged mouse ovary with excessive hyperplasia of the OSE. Few follicles were also observed. C. Six months old mice ovary with follicles in different stages of growth and maturation D. OSE cells in 20 months old ovary showing distinct hyperplasia and epithelial cells were interspersed by a distinct population of putative germ cells (red arrow). Scale: 20 µmBack to article page