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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 4 (1982), S. 9-11 
    ISSN: 1279-8517
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 4 (1982), S. 279-284 
    ISSN: 1279-8517
    Keywords: Portal vein ; Umbilical vein ; Catheterisation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Complétant un travail antérieur de l'anatomie macroscopique et histologique de la veine ombilicale de l'adulte, une étude histologique et radiologique a été faite sur des cadavres afin de déterminer le trajet suivi par des sondes ou des cathéters introduits dans cette veine afin d'obtenir un accès sur le système porte. Bien qu'il persiste une partie de la lumière initiale, son diamètre est trop étroit (approximativement 0,2 mm) pour admettre des sondes et des cathéters. Les instruments se fraient un passage artificiellement à travers une zone interne lâche qui est la ≪lumière apparente≫ de la veine. Cette zone centrale qui est formée après la naissance est plus pâle et de consistance moins ferme que les zones périphériques mais elle devient plus fibreuse avec les années et sa reperméabilisation est alors plus difficile. A la jonction veine ombilicale-veine porte, la sonde est arrêtée par la paroi de la branche gauche de la veine porte qui se divise à ce niveau (récessus ombilical). Une perforation de cette paroi par pression de la sonde permet de pènètrer dans le système porte. Sans une reperméabilisation préalable, l'injection de liquide de contraste dans la lumière apparente de la veine ombilicale ne pénètre pas dans le système porte.
    Notes: Summary Following a previous study of the gross anatomical and histological features of the adult umbilical vein, a histological and radiological investigation has been made on post-mortem material, to determine the route taken by probes and catheters introduced into the hemisected vein, to obtain access to the portal system. Although a residual part of the original lumen persists, it is far too small in diameter (approximately 0.2 mm) to admit probes and catheters. The instruments traverse a loose inner zone (the ‘apparent lumen’) and form a false passage within it. This zone, which is formed postnatally, is paler and of softer consitency than the surrounding zones, but since it becomes more fibrous and contracted in later life, instrumentation could prove more difficult in the elderly. At the umbilical-portal junction, the probe is arrested by the diverging right wall of the terminal expansion of the left branch of the portal vein (the recessus umbilicalis). Local rupture of the inner part of the wall by probe pressure gives access to the portal system. Without prior probing, contrast medium injected locally into the apparent lumen does not reach the portal system.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 1195-1196 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In a previous communication2, it was pointed out that in sections of rabbit duodenum treated histo-chemicalry by Gomori's 'Tween' technique for 'lipase', these serous cells are strongly 'lipase'-positive and stand out sharply among the 'lipase'-negative mucous acinar cells. The suggestion was made ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 1048-1049 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The alimentary tract of the following species has been studied : dog, cat, rabbit, guinea pig, mouse and rat ; and of the variety of observations, the following seem particularly worthy of note. It was found, rather surprisingly, that the epithelium lining the ducts of certain glands commonly ...
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 1464-1465 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In eight cats, the terminal half-inch of the ileum together with the proximal one inch of the colon were removed in one piece, and after the contents of the colon had been expressed the cut ends of the colon and ileum were closed. A special cannula was inserted into the terminal ileum through a ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 190 (1961), S. 835-836 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the present work, specimens of synovial membrane were removed immediately after death from the parapatellar region of the knee-joint of 5 rats, 10 guinea pigs, 10 rabbits, 10 cats, 5 dogs, 5 sheep and 4 monkeys, and from 4 human subjects at postmortem. In addition, specimens of articular ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 150 (1968), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 875-876 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE should like to direct attention to the occurrence of a phenomenon of diffusion in the histochemical technique for the demonstration of alkaline phosphatase which makes precise localization of the enzyme difficult and is apt to produce errors in interpretation. With regard to such possible ...
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 140 (1961), S. 1-15 
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    American Journal of Anatomy 150 (1977), S. 237-245 
    ISSN: 0002-9106
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Under scanning electron microscopy (SEM) the surface cells of the guinea pig bladder have pentagonal or hexagonal outlines. Their borders are clearly defined since they are elevated. They possess a large reserve of surface membrane which is markedly folded and wrinkled when the bladder is empty. The folds disappear and the cells become flat during distension. The luminal surface is characterized by numerous reticular ridges which are a remarkably constant feature and persist even under acute artificial distension. A small proportion of the surface cells are small and have less than five sides. Since they show only sparse microvilli as a surface feature, they have a smooth appearance. These are believed to be young surface cells which have just emerged from the intermediate layer, and have not yet acquired the ridged pattern of mature cells.
    Type of Medium: Electronic Resource
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