, Volume 77, Issue 3, pp 277–283 | Cite as

Chromatin rings as products of chromatin diminution in Cyclops

  • Sigrid Beermann
  • Günther F. Meyer


Nuclei from the interphase preceding the 6th cleavage (=first diminution) division of Cyclops furcifer were subjected to a micro-spreading technique (Counce and Meyer, 1973) and examined by electron microscopy. In some preparations numerous chromatin rings formed by 250–300 Å fibers were discovered in sizes ranging from 0.25 μm to more than 6 μm. These structures are assumed to represent the primary products of chromatin diminution.


Electron Microscopy Developmental Biology Chromatin Diminution Chromatin Ring 
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Copyright information

© Springer-Verlag 1980

Authors and Affiliations

  • Sigrid Beermann
    • 1
  • Günther F. Meyer
    • 1
  1. 1.Max-Planck-Institut für BiologieTübingen 1Federal Republic of Germany

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