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Revista de la Facultad de Ciencias Veterinarias

versión impresa ISSN 0258-6576

Resumen

CARRASCAL, Juan C; ORTIZ, Sirley A  y  CESAR FONSECA, Cláudio. Histological description of the liver of the Hydrochoerus hydrochaeris, Linnaeus, 1766. Rev. Fac. Cienc. Vet. [online]. 2015, vol.56, n.2, pp.67-71. ISSN 0258-6576.

The objective of the present study was to histologically describe the liver of the capybara (Hydrochoerus hydrochaeris). For that purpose, 13 livers of capybaras of both sexes, weighing between 33 and 50 kg, were used. The animals were slaughtered in the Pro-Fauna refrigerated slaughterhouse, located in Iguape, the State of São Paulo and in the campus of the Universidad Federal de Viçosa, the State of Minas Gerais, Brasil. Samples were fixed in Bouin and formalin solution (10% v/v) and a routine histological processing was made. For the differential visualization of the connective tissue and colagen fibers, and for the general description of the tissue, sections of tissues of 4 µm were made. Subsequently, tissue sections were stained with hematoxylin and eosin, P.A.S., and Gomori trichrome. The results of the study revealed the presence of a liver parenchyma and lobules, which were close to one another, without a marked delimitation among them. The hepatocytes were grouped in plates or rows which anastomosed with each other and were arranged in a layer of cells. From the histological standpoint, the liver parenchyma of the Hydrochoerus hydrochaeris can be considered similar in various aspects, to that of other mammals.

Palabras clave : capybara; histology; hepatocytes; liver parenchyma.

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