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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

CESARIO, Maria Dalva  y  MATHEUS, Selma M. Michelin. Structural and Ultrastructural Aspects of Folliculogenesis in Didelphis albiventris, the South-American Opossum. Int. J. Morphol. [online]. 2008, vol.26, n.1, pp. 113-120. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022008000100019.

The ovarian histology, the structural and the ultrastructural characteristics of the folliculogenesis in Didelphis albiventris were described in detail. Recent studies suggest that methatherian mammals have unusual reproductive cycle but there are few informations regarding the marsupials reproductive life. Despite of the opossum folliculogenesis pattern resembles methatherian and eutherian pattern in many aspects, the analysis shows some peculiar features of the oocyte structure and ultrastructure that make available new data on the reproductive biology of marsupials.

Palabras llave : Folliculogenesis; Oocytes; Opossum; Marsupial.

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