Histological study of the liver of the lizard Tropidurus torquatusWied 1820, (Squamata: Tropiduridae)(AU)
Braz. j. morphol. sci
; 28(3): 165-170, July-Sept. 2011. ilus
Article
em En
| LILACS
| ID: lil-644137
Biblioteca responsável:
BR734.1
ABSTRACT
The objective of this study was to characterize macroscopically and microscopically the liver of the collared lizard Tropidurus torquatus, using two adult females and two adult males, captured on the banks of Marambaia Isle in Sepetiba Bay in the state of Rio de Janeiro. Fragments of liver were fixed in Bouins liquid and submitted to routine histological techniques. Sections were cut by a rotary microtome to 5 mm thickness and stained by with HE, PAS, Gomori Trichrome and Gomoris reticulin impregnation. The liver this lizard is a large, speckled dark brown organ composed of a right and left lobe. The gallbladder is located on the visceral surface of the right lobe. The lobules are polyhedral in shape and separated by a thin layer of interlobular connective tissue, forming trabeculae. These contain bile ducts, branches of portal vein and of hepatic artery. The hepatocytes are also polyhedric and have varied sizes. The majority of these cells have nuclei offset toward the periphery, and the cytoplasm is highly vacuolated and was not well evidenced by the histological techniques utilized. The hepatic parenchyma is supported by delicate reticular fibers surrounding hepatocytes and sinusoids. Large quantities of melano-macrophage centers are present in the parenchyma.
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Texto completo:
1
Bases de dados:
LILACS
Assunto principal:
Fígado
/
Lagartos
Limite:
Animals
Idioma:
En
Revista:
Braz. j. morphol. sci
Assunto da revista:
ANATOMIA
Ano de publicação:
2011
Tipo de documento:
Article
País de afiliação:
Brasil