pyknosis

pyknosis
A thickening or condensation; specifically, a condensation and reduction in size of the cell or its nucleus, usually associated with hyperchromatosis; nuclear p. is a stage of necrosis. [pykno- + G. -osis, condition]

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pyk·no·sis also pyc·no·sis pik-'nō-səs n, pl pyk·no·ses also pyc·no·ses -.sēz a degenerative condition of a cell nucleus marked by clumping of the chromosomes, hyperchromatism, and shrinking of the nucleus

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n.
the process in which the cell nucleus is thickened into a dense mass, which occurs when cells die.
• pyknotic adj.

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pyk·no·sis (pik-noґsis) [Gr. pyknōsis condensation] a thickening, especially degeneration of a cell in which the nucleus shrinks in size and the chromatin condenses to a solid, structureless, basophilic mass or masses.

Medical dictionary. 2011.

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Look at other dictionaries:

  • pyknosis — [pik nō′sis] n. pl. pyknoses [pyk no′sēz΄] a process of thickening, esp. in the shrinking nucleus of a degenerating cell pyknotic [pyknät′ik] adj. * * * …   Universalium

  • pyknosis — [pik nō′sis] n. pl. pyknoses [pyk no′sēz΄] a process of thickening, esp. in the shrinking nucleus of a degenerating cell pyknotic [pyknät′ik] adj …   English World dictionary

  • Pyknosis — Morphological characteristics of pyknosis and other forms of nuclear destruction Apoptosis Pyknosis, or karyopyknosis …   Wikipedia

  • pyknosis — Contraction of nuclear contents to a deep staining irregular mass; sign of cell death …   Dictionary of molecular biology

  • pyknosis — noun In biology, shrinkage and condensing, such as that of a dying cell or the appearance of a cells nucleus …   Wiktionary

  • pyknosis — n. the process in which the cell nucleus is thickened into a dense mass, which occurs when cells die. Derivatives: pyknotic adj …   The new mediacal dictionary

  • pyknosis — noun a degenerative state of the cell nucleus • Syn: ↑pycnosis • Derivationally related forms: ↑pyknotic, ↑pycnotic (for: ↑pycnosis) • Hypernyms: ↑disease …   Useful english dictionary

  • Пикноз (Pyknosis) — конденсация ядра клетки, сопровождающаяся его сморщиванием в однородную гиперхромную плотную массу; обычно этот процесс наблюдается при гибели клетки. Пикнотнчный (pyknotic). Источник: Медицинский словарь …   Медицинские термины

  • ПИКНОЗ — (pyknosis) конденсация ядра клетки, сопровождающаяся его сморщиванием в однородную гиперхромную плотную массу; обычно этот процесс наблюдается при гибели клетки. Пикнотнчный (pyknotic) …   Толковый словарь по медицине

  • pycnotic — adjective of or relating to or exhibiting pyknosis • Syn: ↑pyknotic • Pertains to noun: ↑pyknosis, ↑pyknosis (for: ↑pyknotic) • Derivationally related forms: ↑p …   Useful english dictionary

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