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Regional histomorphometry of the hepatic inferior vena cava; a possible sphincteric mechanism / Histomorfometría regional de la vena cava inferior hepática; un posible mecanismo de esfínter
Bundi, P. K; Ogeng'o, J. A; Hassanali, J; Odula, P. O.
  • Bundi, P. K; University of Nairobi. School of Medicine. Department of Human Anatomy. KE
  • Ogeng'o, J. A; University of Nairobi. School of Medicine. Department of Human Anatomy. KE
  • Hassanali, J; University of Nairobi. School of Medicine. Department of Human Anatomy. KE
  • Odula, P. O; University of Nairobi. School of Medicine. Department of Human Anatomy. KE
Int. j. morphol ; 27(3): 849-854, sept. 2009. ilus
Article in English | LILACS | ID: lil-598947
ABSTRACT
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.
RESUMEN
Este estudio tiene por objetivo identificar los cambios en el diámetro y la composición estructural de la vena cava inferior hepática en sus porciones infrahepática, intrahepática y suprahepática. Ochenta hígados de especímenes adultos de los depósitos de cadáveres de la ciudad de Nairobi y Chiromo fueron usadas para morfometría, mientras que veinte de ellos fueron procesados para microscopía de luz. Se observó una constricción en el medio de la HIVC, mientras que estructuralmente, la porción intrahepática había una gruesa adventicia fibromuscular. Es posible que este sea un aparato esfinteriano para evitar el reflujo de sangre en la vena cava inferior hepática.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Vena Cava, Inferior / Hepatic Veins Limits: Adult / Humans / Male Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2009 Type: Article Affiliation country: Kenya Institution/Affiliation country: University of Nairobi/KE

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Full text: Available Index: LILACS (Americas) Main subject: Vena Cava, Inferior / Hepatic Veins Limits: Adult / Humans / Male Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2009 Type: Article Affiliation country: Kenya Institution/Affiliation country: University of Nairobi/KE