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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

BUNDI, P. K; OGENG'O, J. A; HASSANALI, J  and  ODULA, P. O. Regional Histomorphometry of the Hepatic Inferior Vena Cava; a Possible Sphincteric Mechanism. Int. J. Morphol. [online]. 2009, vol.27, n.3, pp.849-854. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022009000300034.

This study was aimed at identifying the changes in diameter and structural composition of the Hepatic Inferior Vena Cava in its infrahepatic, intrahepatic and suprahepatic portions. Eighty adult liver specimens from the Chiromo and Nairobi City mortuaries were used for morphometry, while twenty of them were processed for light microscopy. A constriction was noted in the mid-portion of the HIVC, while structurally; the intrahepatic portion had thicker fibromuscular adventitia. It is plausible that these are sphincteric apparatus to prevent backflow of blood in the Hepatic Inferior Vena Cava.

Keywords : Inferior vena cava; Hepatic; Sphincter; Backflow.

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