, Volume 387, Issue 0, pp 135–140 | Cite as

Catecholaminergic neurons in the brain of rotifers

  • Elena A. Kotikova


In 10 rotifer species from the subclasses Archeorotatoria (order Bdelloidea) and Eurotatoria (superorders Gnesiotrocha and Pseudotrocha) three patterns of catecholaminergic neurons are detected, namely: x-shaped, arch-shaped and ring-shaped. These brain complexes are developed independently and in a parallel fashion in different rotifer groups. The number of the brain catecholaminergic neurons varies from 6 to 11, constituting about 3–7% of the total number of the brain cells. The brain neuron pattern demonstrates a distinct bilateral symmetry.

nervous system morphology cathecholamines GAIF method Rotifera 


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Copyright information

© Kluwer Academic Publishers 1998

Authors and Affiliations

  • Elena A. Kotikova
    • 1
  1. 1.Zoological Institute of the Russian Academy of SciencesSt. PetersburgRussia

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