Structural and ultrastructural characterization of buffalo fetus (Bubalus bubalis) ovarian germinative cells

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorCarvalho, F. C. A.
dc.creatorOba, Eunice
dc.creatorMota, A. V.
dc.creatorLeal, L. S.
dc.date2014-02-26T17:18:36Z
dc.date2014-05-20T13:41:42Z
dc.date2014-02-26T17:18:36Z
dc.date2014-05-20T13:41:42Z
dc.date2007-01-01
dc.date.accessioned2017-04-05T20:42:18Z
dc.date.available2017-04-05T20:42:18Z
dc.identifierItalian Journal of Animal Science. Pavia: Pagepress Publ, v. 6, p. 688-690, 2007.
dc.identifier1594-4077
dc.identifierhttp://hdl.handle.net/11449/14461
dc.identifier10.4081/ijas.2007.s2.688
dc.identifierWOS:000207598400145
dc.identifierWOS000207598400145.pdf
dc.identifierhttp://dx.doi.org/10.4081/ijas.2007.s2.688
dc.identifierhttp://www.aspajournal.it/index.php/ijas/article/view/ijas.2007.s2.688/1053
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/861587
dc.descriptionThe objective of the present study was to characterize ovogones, primary oocytes and preantral follicles of buffalo fetus in different ages of gestation. For this, 29 fetuses were collected from a slaughterhouse (Frigol, Brazil) and crown-rump lengths were measured to estimate the fetal age (0-3, 4-6, 7-10 months of gestation). The ovaries were removed and ovarian tissue was processed for classic histology and transmission eletron microscopy examination. The structural evaluation demonstrated that in the first period of the gestation (0-3 months) the buffalo fetus showed ovogones (in mitotic division) and in some cases, the primary oocytes surrounded by somatic cells. In the second period (4-6 months), it was verified that the preantral follicles were completely formed. In the last period (70 month to the end of gestation) the ovaries contained a large amount of preantral follicles, and in some fetuses, antral follicles were observed. The ultrastructural analysis of the ovogones, primary oocytes and preantral follicles showed that these cells have few organelles and the quantity of mitochondria, endoplasmatic reticulum and apparatus Golgi complex is increased as the germinative cells passing from one stage to another.
dc.languageeng
dc.publisherPagepress Publ
dc.relationItalian Journal of Animal Science
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectBuffalo
dc.subjectFetus
dc.subjectOvarian follicles
dc.subjectHistology
dc.titleStructural and ultrastructural characterization of buffalo fetus (Bubalus bubalis) ovarian germinative cells
dc.typeOtro


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