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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    World journal of surgery 4 (1980), S. 100-101 
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 20 (1975), S. 443-449 
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Analyses of gastric juice withdrawn 3 hours after the pylorus was ligated and of plasma corticosterone and blood glucose after animals were exposed to rotational stress revealed that gastric secretion was highest in controls, intermediate in stressed rats that developed ulcers, and lowest in stressed rats that did not develop ulcers. Neither high nor low gastric secretion correlated with stress-ulcer formation. When initial mucosal ischemia and secretory inhibition, which occurred in all stressed rats, were considered, those that developed ulcers manifested gastric hypersecretion when compared with those that did not develop ulcers. The pathogenetic significance of gastric hypersecretion in stress-ulcer formation is discussed and correlated with mucosal microvascular changes during stress. Mean plasma corticosterone was highest in stressed rats that developed ulcers, next highest in stressed rats that did not develop ulcers, and lowest in control rats. Compared with normal rats, mean blood glucose was lowest in stressed rats and highest in controls. Hypoglycemic changes were more marked in stressed rats that developed ulcers than in stressed rats that did not develop ulcers.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 156 (1966), S. 157-173 
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Microcirculation of rat livers was studied on preparations perfused with silicone rubber. Silicone rubber provided an excellent perfusion medium for the study of the special arrangement of hepatic microcirculation.As demonstrated by Gershbein and Elias ('54), a great portion of the hepatic venous tree of the rat liver receives sinusoidal channels and thus this portion is located centrilobularly.In the portal venous system of the rat liver, not only the distributing veins but also the conducting veins give rise to inlet venules regularly to adjacent peripheral sinusoids.Rich capillary networks of the periductal plexus which receive their afferent channels from the hepatic arteries and empty their blood either into the portion veins or into the adjacent peripheral sinusoids are demonstrated in the portal canals. Less prominent fine capillaries are distributed in the walls of portal veins and in the connective tissue components of larger portal canals. Existence of a more direct type of anastomoses between the hepatic arteries and portal veins through capillary networks in the medium and large sized portal canals is also indicated. Evidence for the existence of intralobular arteriolar terminals were not obtained and the present observation indicated that the hepatic arteries terminate at the periphery of the lobule.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal of Electron Microscopy Technique 5 (1987), S. 367-372 
    ISSN: 0741-0581
    Keywords: Beem capsule ; Monolayer cell growth ; In situ embedding ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Natural Sciences in General
    Notes: A method of growing and embedding monolayer cells in situ on the inner surface of the Beem capsule for light and electron microscopy is described. The results demonstrate that wandering cells in tissue and collected cells in suspension are readily grown on the Beem capsule and embedded in situ by a slight modification of the routine embedding procedure. The method seems to be particularly suited for studies of interactions between growing monolayer cells and various substances, infectious agents, or other types of cells added during the incubation period, where disruption by scraping and pelleting, or enzymatic reaction to remove the cells, would prevent such data from being gathered. The method is also suited for light and electron microscopic studies of minute tissue or organs, such as dissected mosquito salivary glands, whose embedding by the routine procedure is difficult.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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