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  • 1
    Electronic Resource
    Electronic Resource
    A morphological and functional study of the cavo-hepatic junction in the human (1995)
    Springer
    Surgical and radiologic anatomy 17 (1995), S. 311-314 
    Details
    ISSN: 1279-8517
    Keywords: Hepatic veins ; Inferior vena cava ; Mesoscopic study
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Les auteurs étudient les aspects morphologiques et structuraux du carrefour hépatico-cave. Cette étude porte sur 20 sujets adultes des deux sexes après formolisation. Les veines hépatiques et leurs terminaisons dans la veine cave inférieure sont prélevées, étudiées sur le plan macroscopique et incluses dans la paraffine. Les coupes sériées sont fixées selon la technique d'Azan. Trois veines hépatiques sont retrouvées dans tous les cas : les veines hépatiques droite, moyenne et gauche. Dans 20% des cas, la veine moyenne s'ouvre directement dans la veine cave inférieure. L'ostium des veines hépatiques s'appuie sur deux piliers réunis à leur partie inférieure par un repli semilunaire. La paroi des veines hépatiques au niveau de leur ostium est très épaisse avec un fort contingent de fibres musculaires et collagènes. Les fibres musculaires réalisent un véritable sphincter qui peut jouer un rôle physiologique dans le contrôle de la circulation hépatique.
    Notes: Summary The authors studied the morphological and structural aspects of the junctions between the hepatic veins and the inferior vena cava. The study was carried out on 20 specimens obtained from adult cadavers of both sexes, fixed in 10% formaldehyde solution. The hepatic veins with their junctions on the inferior vena cava were isolated. Then a macroscopic analysis of the openings of the hepatic veins into the inferior vena cava was performed. Part of this material was embedded in paraffin, submitted to serial sectioning and stained with Azan's trichrome and resorcin-fuchsin. Three hepatic veins were observed in all cases: right, left and the middle. In 20% of the cases the middle hepatic vein opens directly into the inferior vena cava. The hepatic vein openings are supported by two pillars inferiorly united through a semilunar fold. The hepatic vein wall is greatly thickened at the level of its junction with the inferior vena cava, showing a large ammont of muscular and collagenous fibers. These bundles constitute a sphincter-like formation which may play a physiological role in the control of the hepatic circulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01795188
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  • 2
    Electronic Resource
    Electronic Resource
    Spacetime defects: Domain walls and torsion (1998)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 39 (1998), S. 372-379 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: The theory of distributions in non-Riemannian spaces is used to obtain exact static thin domain wall solutions of Einstein-Cartan equations of gravity. Curvature δ-singularities are found while Cartan torsion is given by Heaviside functions. Weitzenböck planar walls are characterized by torsion δ-singularities and zero curvature. It is shown that Weitzenböck static thin domain walls do not exist exactly as in general relativity. The global structure of Weitzenböck nonstatic torsion walls is investigated. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.532318
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  • 3
    Electronic Resource
    Electronic Resource
    5α-Androst-3-en-17-one (2001)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. o189-o191 
    Details
    ISSN: 1600-5368
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: In the title 6–6–6–5 fused ring compound, C19H28O, all the ring junctions are trans. The unsaturated ring A shows a conformation intermediate between a 10β-sofa and a 1α,10β-half-chair.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S1600536801001726
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  • 4
    Electronic Resource
    Electronic Resource
    16α-Hydroxy-20-oxopregn-5-en-3β-yl acetate (2001)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. o571-o573 
    Details
    ISSN: 1600-5368
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: In the title compound, C23H34O4, the two saturated six-membered rings have slightly flattened chair conformations and the unsaturated ring assumes a 8β,9α-half chair conformation distorted towards a 8β-sofa. The five-membered ring has an unusual conformation close to a 13β-envelope. The acetoxy and methyl ketone substituents are twisted with respect to the average molecular plane of the steroid nucleus. The molecules are hydrogen-bonded head-to-head via the hydroxy and methyl ketone groups forming dimers, which are stacked in planes perpendicular to the b axis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S1600536801008996
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  • 5
    Electronic Resource
    Electronic Resource
    On the prediction of order in the σ phases on the basis of a sphere-packing model (1981)
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 37 (1981), S. 197-200 
    Details
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: A theory for the order in σ phases based on the sphere-packing model of Wilson & Spooner [Acta Cryst. (1973), A29, 342-352] has been examined using a mathematical analysis. The analysis suggests that the prediction of order in these phases based on lattice-constant variations associated with variations in atomic diameter should be treated with caution, particularly where the results are at variance with experimentally determined results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S056773948100048X
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  • 6
    Electronic Resource
    Electronic Resource
    Quantum random walk and transient phenomena
    Amsterdam : Elsevier
    Physica A: Statistical Mechanics and its Applications 196 (1993), S. 416-426 
    Details
    ISSN: 0378-4371
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-4371(93)90205-I
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  • 7
    Electronic Resource
    Electronic Resource
    Atypical glandular cells: criteria to discriminate benign from neoplastic lesions and squamous from glandular neoplasia (2005)
    Oxford, UK : Blackwell Science Ltd
    Cytopathology 16 (2005), S. 0 
    Details
    ISSN: 1365-2303
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective:  To evaluate the presence of some criteria in cervical smears with atypical glandular cells and their correlation with histological patterns to identify pre-neoplastic and neoplastic lesions.Methods:  Seventy-three women referred with an atypical glandular cell smear, who had undergone conization or hysterectomy, were included in this study. Referral Pap smears were reviewed using the set of 27 cyto-morphological criteria that was correlated with the histological diagnosis.Results:  Histological results showed intraepithelial or invasive neoplasia in 35 (48%) cases and benign lesions in 38 (52%) cases. After logistic regression and decision tree analysis an increased nuclear/cytoplasmic ratio and the presence of dyskeratotic cells were strongly associated with intraepithelial or invasive neoplasia and the differential cyto-morphological criteria for glandular lesions were decreased cytoplasm, irregular nuclear membranes and the presence of nucleoli.Conclusion:  The analysis of individual cyto-morphological criteria can better predict intraepithelial or invasive neoplasia and differentiate glandular from squamous lesions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2303.2005.00300.x
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  • 8
    Electronic Resource
    Electronic Resource
    Growth, structure, and magnetic properties of Fe monolayers on Cu84Al16(100) (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 89 (2001), S. 6680-6682 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We present experimental results on the growth and structure of Fe overlayers deposited on Cu84Al16(100) and discuss the correlation between the structural and magnetic properties of this system. Fe films 1–6 monolayers (ML) thick were grown under molecular beam epitaxy conditions onto the clean substrate at 160 K. Electron diffraction was applied to investigate the structure of the Fe films. The magnetic properties were investigated in situ by surface magneto-optical Kerr effect in the longitudinal geometry. Our results show that the onset of in-plane ferromagnetism around 3.5 ML of Fe coincides with structural changes that suggest a transformation within the Fe films from a fcc-like (100) to a bcc-like (110) structure with increasing Fe thickness, starting from 2.5 ML. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1355321
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  • 9
    Electronic Resource
    Electronic Resource
    Most B Cells in Acute Trypanosoma cruzi Infection Lack Parasite Specificity (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 28 (1988), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The specificity of B lymphocytes activated in the acute phase of murine Trypanosoma cruzi infection was analysed in a panel of immunoglobulin-secreting hybridomas derived by fusion of lymph node cells 7 days after intraperitoneal parasite inoculation. The immunoglobulin isotype distribution of the hybrids reflected the total plaque-forming cell (PFC) response in the animal at this point, with a predominance of IgG2a, IgM, and IgG2b. Screening of the hybridoma antibodies on parasite antigens by three independent methods (western blot, ELISA, and immunofluorescence) revealed only one (out of a total of 51) that bound a parasite molecule with an apparent molecular mass of 180 kDa. In contrast, antibodies of both IgM and IgG classes were found to react with a panel of autologous antigens. These results establish that most B cells activated by T. cruzi infection are not specific for parasite antigens and therefore indicate the relevance of analysing the totality of host responses to infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1988.tb01487.x
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  • 10
    Electronic Resource
    Electronic Resource
    3α,4β-Dihydroxy-5α-androstan-17-one (1998)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 54 (1998), S. 89-91 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270197009505
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