Ref : 012621-83 - © Alain GOUGEON - ISM
Human preantral follicule (diameter: 180 µm); Several layers of granulosa cells are present around the oocy.te. The first thecal epithelioid cells are present. If it does not undergo atresia, this follicle will ovulate approximately 3 months later. Note the presence of an intermediary follicle juste aside the preantral follicle. Histological section, staining: haematoxylin Masson blue. LM