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  • Articles: DFG German National Licenses  (4)
  • Electronic Resource  (4)
  • 1980-1984  (3)
  • 1975-1979
  • 1955-1959  (1)
  • Life and Medical Sciences  (2)
  • Analytical Chemistry and Spectroscopy  (1)
  • Left testis  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Three patterns of extra-testicular venous drainage in the rabbit (1983)
    Springer
    Anatomy and embryology 167 (1983), S. 103-112 
    Details
    ISSN: 1432-0568
    Keywords: Venous drainage ; Left testis ; Rabbit
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Seventy-eight male New Zealand white rabbits were autopsied and found to have variable left extra-testicular venous anatomy. Our observations reveal that in the rabbit the left testis is drained in one of three ways, identified as either A (18%), B (30%) or C (52%) —type drainage. The right testicular vein in all cases drained directly into the inferior vena cava immediately superior to the right iliolumbar vein. In type A drainage, the left testicular vein drained directly into the inferior vena cava at the level of the left iliolumbar vein. In type B drainage, the left testicular vein emptied into the left iliolumbar vein, which in turn drained into the inferior vena cava. In type C drainage both the left testicular and iliolumbar veins anastomosed to form a “lumbotesticular” trunk which emptied directly into the left renal vein. These three patterns of left venous vascular anatomy in the rabbit can be explained on the basis of their embryologic development. Our observations suggest that it is the caudal segment of the left pelvic subcardinal vein and its anastomosis with the caudal cardinal complex which persist as the left testicular vein and that the more cranial segment of this vein, heretofore presumed to remain patent, atrophies to the level of the developing left renal vein.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00304604
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Development of the amphibian pituitary with special reference to the neural lobe (1957)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 129 (1957), S. 279-295 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1091290303
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Initiation of DNA synthesis in mammary epithelium and mammary tumors by lithium ions (1980)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 103 (1980), S. 41-46 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The growth promoting effects of lithium and insulin on cultures of mammary gland epithelium and CZF mouse mammary tumor cells were investigated. Lithium chloride exerts a 450-fold increase in the rate of DNA synthesis in mammary epithelium from mid-pregnant mice in organ culture or monolayer culture. There is an increase in both the percentage of cells initiating DNA synthesis and the net accumulation of DNA. The most effective lithium concentration is 10 mM, and the maximally effective rate of stimulation is reached 48 hours after addition. The magnitude of response to lithium varies with the physiological state of the mammary epithelial cell donor: epithelium from non-pregnant or lactating mice is less responsive than that from mid-pregnant mice. In combination, insulin and lithium produce either a synergistic or an additive effect on the growth of epithelium dependent upon the physiological state of the donor animal. Lithium also promotes the growth of mammary tumor cells in the absence of serum or other mitogens. The action of lithium on DNA synthesis appears to be a direct effect on the epithelial cells.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041030107
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Conformational preferences of 2-methoxypyridine from 1H and 13C NMR and from STO-3G molecular orbital calculationsIssued as NRCC No. 23154. (1984)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 22 (1984), S. 505-509 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Observable coupling over five formal bonds between the methoxy group protons and the ortho ring proton in 2-methoxypyridine, coupliugs between the methoxy group carbon and ring protons, and methoxy carbon spin-lattice relaxation times are all consistent with a preference for the planar cis conformer, in which conjugation is favoured and repulsions between the methyl group and the ortho hydrogen are reduced. Small-amplitude torsioas about the C-2-O bond may carry the methoxy group away from this orientation, but more distant conformations can probably be excluded. Methyl group rotation is less hindered in the cis than in the trans conformer. Molecular orbital calculations at the STO-3G level, with complete geometry optimization, support the conduskus drawn from experimental evidence.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270220807
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    Paper (German National Licenses)
    Fulltext
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