This analysis was performed on 56 T. belangen (breeding stock: Batelle-Institut, Frankfurt/Main, FRG, Dr. A. Schwaier) (Schwaier, 1973). All animals used in this study were the progeny of parents from a small group, and were fed under standard conditions. In order to obtain an exact ontogenetic age, one female tupaia was isolated with one male animal for one night. The female animal was then completely isolated until gravidity could be ascertained. The mean duration of gravidity was 43 days. The age of the animals was specified as days of ontogenesis (days post conception).


Nerve Cell Relative Standard Error Shrinkage Factor Test Grid Logistic Growth Function 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1978

Authors and Affiliations

  • K. J. Zilles
    • 1
  1. 1.Anatomisches Institut der Universität KielKielFederal Republic of Germany

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