Advertisement

Experientia

, Volume 34, Issue 4, pp 456–457 | Cite as

Seasonal variations in liver metabolism of the green frogRana esculenta (L.)

  • R. Schlaghecke
  • V. Blüm
Article

Summary

Rana esculenta (L.) kept under natural conditions show almost constant b.wt in the annual cycle. Liver weight, however, has a distinct peak in October/November which is also evident in the liver index. The liver storage materials: glycogen, triglyceride and protein, show 2 distinct maxima (spring, autumn).

Keywords

Triglyceride Seasonal Variation Natural Condition Annual Cycle Liver Weight 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. 1.
    R. Holzapfel, Q. Rev. Biol.12, 65 (1937).Google Scholar
  2. 2.
    C. Smith, J. exp. Biol.26, 412 (1950).Google Scholar
  3. 3.
    P. Fromm and R. Johanson, J. cell. comp. Physiol.45, 343 (1955).Google Scholar
  4. 4.
    W. Hanke and K. Weber, Gen. comp. Endocr.4, 662 (1964).Google Scholar
  5. 5.
    W. Hanke and K. Weber, Gen. comp. Endocr.5, 444 (1965).PubMedGoogle Scholar
  6. 6.
    J. v. Kemnade and W. v. Dongen, Z. Zellforsch. mikrosk. Anat.91, 96 (1968).PubMedGoogle Scholar
  7. 7.
    P. v. Oordt, W. v. Dongen and B. Lofts, Z. Zellforsch. mikrosk. Anat.88, 549 (1968).PubMedGoogle Scholar
  8. 8.
    S. Pasanen and P. Koskela, Comp. Biochem. Physiol.47 A, 635 (1974).Google Scholar
  9. 9.
    T. Weichselbaum, Am. J. clin. Path. tech. Suppl10, 40 (1946).Google Scholar
  10. 10.
    F. Bertram and H. Otto, Die Zuckerkrankheit, 5th ed., p. 81 (1965).Google Scholar
  11. 11.
    J. Hoeflmayr and R. Fried, Arzneim.-Forsch.24, 904 (1974).Google Scholar
  12. 12.
    W. Zamachowski, Acta Biol. Cracov Ser. Zool.11, 199 (1966).Google Scholar
  13. 13.
    G. Mack and W. Hanke, Zool. Jb. Physiol.81, 112 (1977).Google Scholar
  14. 14.
    W. Hanke, K. Bergerhoff and U. Neumann, Z. vergl. Physiol.65, 351 (1969).Google Scholar
  15. 15.
    H. Nagano, H. Itoh and R. Shukuya, comp. Biochem. Physiol.51 B, 255 (1975).Google Scholar
  16. 16.
    J. Brachet, E. Broch, A. Gaudiano, G. Petti and M. Polizzi, Archs Biol., Liege82, 25 (1971).Google Scholar

Copyright information

© Birkhäuser Verlag 1978

Authors and Affiliations

  • R. Schlaghecke
    • 1
  • V. Blüm
    • 1
  1. 1.Arbeitsgruppe für vergleichende Endokrinologie, Abteilung für BiologieRuhr-Universität-BochumBochum 1(Federal Republic of Germany)

Personalised recommendations