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Title: [Morphometric study of ultrastructural modifications in the maternal hepatocyte during normal gestation in the Wistar rat]. Author: Martin-Pont B, Tamboise E. Journal: Arch Anat Microsc Morphol Exp; 1985; 74(4):229-36. PubMed ID: 3842240. Abstract: Quantitative changes in hepatocyte ultrastructures during normal gestation were studied in Wistar rats with morphometric methods. On the 18th day of the gestation, variations in nuclearcytoplasmic ratio, size of R.E.R., mitochondria, lysosomes and microbodies were observed, with variations according to the localisation of hepatocyte inside the lobule. We report the most obvious effects as follows: An increase of R.E.R. in the central and perilobular zones. Mitochondria are larger and the rounded forms are more numerous inside the two lobular zones. The number of lysosomes and microbodies are only elevated in the perilobular cells. In conclusion, it is suggested that the hepatocyte organelles are significantly increased during gestation. This is probably due to the metabolic activation. These cellular modifications are only one aspect of the liver increase.[Abstract] [Full Text] [Related] [New Search]