n. [Gr. heteros, different; pyknos, dense]
Certain chromosomes or regions of chromosomes that are out of phase in their coiling cycle and staining properties; heteropycnotic, heteropyknotic adj..

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • heteropyknosis — Any state of variable density or condensation, usually in different chromosomes or between different regions of the same chromosome; a region may be attentuated (negative h) or accentuated (positive h). [hetero + G. pyknos, dense] * * *… …   Medical dictionary

  • heteropyknosis — The property of certain chromosomes, or of their parts, to remain more dense during the cell cycle and to stain more intensely than other chromosomes or parts …   Glossary of Biotechnology

  • heteropyknotic — Relating to or characterized by heteropyknosis. * * * het·ero·pyk·not·ic (het″ər o pik notґik) pertaining to or characterized by heteropyknosis …   Medical dictionary

  • heteropycnosis — См. heteropyknosis …   Dictionary of invertebrate zoology

  • isopyknosis — iso·pyk·no·sis also iso·pyc·no·sis .ī sō pik nō səs n the quality or state of some chromosomes or of parts of some chromosomes in a nucleus of staining uniformly and being coiled to the same degree compare HETEROPYKNOSIS iso·pyk·not·ic also… …   Medical dictionary

  • Позитивный гетеропикноз — * пазітыўны гетэрапікноз * positive heteropyknosis .>> …   Генетика. Энциклопедический словарь

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