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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

CODON, Stella Maris  and  CASANAVE, Emma Beatriz. Morphology and Histological Annual Changes of the Oviduct of Chaetophractus villosus (Mammalia, Xenarthra, Dasypodidae). Int. J. Morphol. [online]. 2009, vol.27, n.2, pp.355-360. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022009000200009.

The morphological features of the oviduct in the armadillo Chaetophractus villosus (Desmarest, 1804) were studied. In the simple columnar epithelium, ciliated cells, secretory cells, and cells of the bottom of the folds are described. The most remarkable findings are the increase in number of ciliated cells, when present, from the fimbriae to the uterus, being the isthmus practically lined by ciliated cells, and that secretory cells are more abundant in the apical zone of the ampulla and fimbriae, than in the isthmus. Morphological changes along the year in the different portions are described.

Keywords : Xenarthra; Armadillo; Chaetophractus villosus; Morphology; Oviduct.

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