Fig. 3From: Abnormalities of early folliculogenesis and serum anti-Müllerian hormone in chinese patients with polycystic ovary syndromeFollicles in cortical biopsies after digestion with collagenase and staining with calcein from NPCOS (A1 and A2) and PCOS (B1 and B2), observed by light (top row) and fluorescence light (bottom row). Black arrow, primordial or primary follicles; White arrow, secondary preantral follicles; Bar, 100µmBack to article page