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A representative picture of ovarian cortex. (A): A section of non-frozen control tissue containing primordial follicles, (B): A section of non-stained follicles in fresh ovarian cortex. (C): A section of primordial, intermediary follicles after ovarian tissue cryopreservation. (D): a section of follicles considered as TUNEL-positive with stained nuclei (brown) after cryopreservation. × 200 magnification. Arrows, primordial follicles 20 μm.
