Table 3 Feature of the ovarian area of the gonad of gilthead seabream at the end of the second reproductive cycle/beginning of the third reproductive cycle.
Months | Types of cells present in the ovary | Cell diameter (μm) | Nuclear diameter (μm) | Cytoplasm | Nucleus | Follicle related structures |
|---|---|---|---|---|---|---|
October | No further development | |||||
Vitellogenic oocytes at secondary yolk vesicle stage * | 192.8 ± 9.5 | 89.0 ± 4.5 | Acidophilic globules distributed at the periphery Lipid dropped close to the nucleus | Granulosa Zone radiate Theca cell layer | ||
November | Vitellogenic oocytes at tertiary yolk vesicle stage * | 310.6 ± 24.9 | 114 ± 3.5 | Numerous eosinophilic globules | Granulosa Zone radiate Theca cell layer | |
Atretic follicles ** | Irregular in shape Numerous acidophilic and some basophilic granules | Highly condensed and basophilic | Flattened cell monolayer | |||