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Ref : 012618-83 - © Alain GOUGEON - ISM Human large primary follicle: this follicle has entered the growth phase. Note that the oocyte is surrounded by a single layer of cuboidal granulosa cells. The diameters of the oocyte and its nucleus (28 µm in diameter) are much more larger than those in the small primary follicle. Histological section, staining: haematoxylin Masson blue. LM. |