Formation of the portal venous system in Chinchilla lanigera

Authors

  • Tiane Ferreira de Castro Universidade Federal de Pelotas, Faculdade de Medicina Veterinária, Capão do Leão, RS
  • Paulo César Gomes Pereira Universidade Federal de Pelotas, Faculdade de Medicina Veterinária, Capão do Leão, RS
  • Malcon Andrei Martinez Pereira Universidade Federal de Pelotas, Instituto de Biologia, Departamento de Morfologia, Capão do Leão, RS
  • Pedro Primo Bombonato Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Cirurgia, São Paulo, SP
  • Eduardo Madruga Rickes

DOI:

https://doi.org/10.11606/issn.1678-4456.bjvras.2007.26660

Keywords:

Anatomy, Portal vein, Chinchilla lanigera

Abstract

The study regarding the formation of the system portal vein (VP) in chinchilla (Chinchilla lanigera) was obtained through the analysis of 10 specimens in which the extra-hepatic portal system suffered injection of red-faced latex, following by dissection in estereolupa. Thereafter outlines were made starting from the observed results, where it was discovered that VP is always originated from the confluence of two roots. The first of these roots is the truncus mesentericus communis (TM), formed from the union of the vena mesentericas cranialis and mesenterica caudalis. TM still receives as tax the vena pancreaticoduodenalis cranialis and gastroepiploica sinistra. The second root, with smaller caliber, is the vena lienalis. This description was observed in 100% of the specimens staying constant, suggesting that the obtained results can be considered as standard model.

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Published

2007-02-01

How to Cite

Castro, T. F. de, Pereira, P. C. G., Pereira, M. A. M., Bombonato, P. P., & Rickes, E. M. (2007). Formation of the portal venous system in Chinchilla lanigera. Brazilian Journal of Veterinary Research and Animal Science, 44(1), 44-48. https://doi.org/10.11606/issn.1678-4456.bjvras.2007.26660

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