Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An irregular aggregation of chromatin in the nucleus of a cell not undergoing mitosis.

from The Century Dictionary and Cyclopedia

  • n. A nucleolus-like mass of chromatin in the cell-nucleus: distinguished from the plasmosome, or true nucleolus.
  • n. A chromosome.
  • n. A micronucleus of the Infusoria.

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