Ref : 012617-83 - © Alain GOUGEON - ISM
Human transitory (or intermediary) follicle: note that the oocyte is surrounded by a mixture of cuboidal (on the left) and flattened (on the right) granulosa cells. In the center of the oocyte, the nucleus (germinal vesicle) is 16 µm in diameter. This follicle belongs to the ovarian reserve. Histological section, staining: haematoxylin Masson blue. LM.