heteropyknosis

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]

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het·ero·pyk·no·sis also het·ero·pyc·no·sis .het-ə-rō-pik-'nō-səs n the quality or state of some chromosomes or of parts of some chromosomes in a nucleus of taking up more stain and being more tightly coiled or of taking up less stain and being less tightly coiled than is usual compare ISOPYKNOSIS
het·ero·pyk·not·ic also het·ero·pyc·not·ic -'nät-ik adj

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het·ero·pyk·no·sis (het″ər-o-pik-noґsis) [hetero- + pyknosis] 1. the quality of showing variations in density throughout. 2. a state of differential condensation observed in comparison of different chromosomes, or of different regions of the same chromosome; it may be attenuated (negative h.) or accentuated (positive h.).

Medical dictionary. 2011.

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Look at other dictionaries:

  • heteropyknosis — 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 …   Dictionary of invertebrate zoology

  • 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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