Supernumerary Limbs Developing after Small Angle Dislocations of the Limb Bud of the Newt

  • S. Papageorgiou
  • D. Venieratos
  • E. Vamvassakis
Part of the NATO ASI Series book series (NSSA, volume 172)


We have performed the following experiments on the regenerating forelimbs of the newt Triturus cristatus: 1) Limb bud blastemata were ipsilaterally rotated at angles 90° or 270°. 2) Blastemata were contralaterally transplanted so that their anteroposterior axis coincided with the dorsoventral or ventrodorsal axis of the stump. The morphology and histological structure of the emerging supernumerary limbs for both experimental setups were examined. Different models for regeneration provide diverging predictions for the above experiments. Our results are in agreement with an extended version of the Polar Coordinate Model.


Anterior Pole Ipsilateral Rotation Multiple Limb Epimorphic Regeneration Contralateral Grafting 
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Copyright information

© Plenum Press, New York 1989

Authors and Affiliations

  • S. Papageorgiou
    • 1
  • D. Venieratos
    • 2
  • E. Vamvassakis
    • 2
  1. 1.NRC “Demokritos” Aghia ParaskeviAthensGreece
  2. 2.Department of AnatomyUniversity of AthensGreece

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