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Proliferation of ovarian follicle cells at different developmental stages of oocytes in red seabream, Pagrus major
Kagawa, H.; Gen, K.; Okuzawa, K. (2000). Proliferation of ovarian follicle cells at different developmental stages of oocytes in red seabream, Pagrus major, in: Norberg, B. et al. (Ed.) Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. pp. 315
In: Norberg, B. et al. (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. International Symposium on the Reproductive Physiology of Fish, 6. Department of Fisheries and Marine Biology, University of Bergen: Bergen. ISBN 82-7461-048-2. 499 pp., meer
In: International Symposium on the Reproductive Physiology of Fish. Museo Nacional de Ciencias Naturales. , meer
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  • Kagawa, H.
  • Gen, K.
  • Okuzawa, K.
Abstract
    The number of proliferating follicular cells (granulosa and thecal cells) in oocytes of red seabream at different developmental stages was analyzed using the 5-bromodeoxyuridine (BrdU) technique. Proliferating granulosa cells were first found in follicles at the lipid stage and increased in the number during the vitellogenic stage, but were never found at the tertiary yolk globule stage, the migratory nucleus stage, and the mature stage. In the thecal layer, proliferating cells were also found at the lipid stage and decreased significantly at the tertiary yolk globule stage. These results suggest that proliferating cells increase in number during lipid phase and vitellogenesis in red seabream.
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