Figure 2From: The mechanism of mTOR (mammalian target of rapamycin) in a mouse model of polycystic ovary syndrome (PCOS) Atretic follicles from different stage of follicular development in DHEA-treated PCOS mouse ovary. Unhealthy oocytes have seen with degenerated cytoplasm and zona pellucida (A–D). The arrows show early preantral follicles with compact oocytes and zona pellucida (Figure B and D).Back to article page