Examination of an ovary specimen stained by hematoxylin-eosine revealed a follicle in which follicular epithelium consisted of 1-2 layers of cubic cells. There was also a bright red membrane around the ovocyte. What follicle is it?

Answer options

1. Mature
2. Secondary
3. Primordial
4. Atretic
5. Primary

Explanation

Primordial features include Dormant, small, only one layer of flat granulosa cells. Primary features include Mitotic cells, cuboidal (1-2 layers) granulosa cells. Secondary features are the Presence of theca cells, multiple layers of granulosa cells.