hyperchromatism

hyperchromatism
1. Excessive pigmentation. 2. Increased staining capacity, especially of cell nuclei for hematoxylin. 3. An increase in chromatin in cell nuclei. SYN: hyperchromasia, hyperchromia. [hyper- + G. chroma, color]

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hy·per·chro·ma·tism -'krō-mət-.iz-əm n the development of excess chromatin or of excessive nuclear staining esp. as a part of a pathological process

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n.
the property of the nuclei of certain cells (for example, those of tumours) to stain more deeply than normal.

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hy·per·chro·ma·tism (hi″pər-kroґmə-tiz-əm) [hyper- + chromato- + -ism] excessive pigmentation in the form of a darkly staining cell nucleus, the consequence of an excess of chromatin. Called also hyperchromasia, hyperchromatosis, and hyperchromia.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Hyperchromatism — Hy per*chro ma*tism, n. The condition of having an unusual intensity of color. [1913 Webster] …   The Collaborative International Dictionary of English

  • hyperchromatism — hy·per·chro·ma·tism …   English syllables

  • hyperchromatism — n. the property of the nuclei of certain cells (for example, those of tumours) to stain more deeply than normal. Derivatives: hyperchromatic adj …   The new mediacal dictionary

  • hyperchromatism — ˌ ̷ ̷ ̷ ̷ˈkrōməˌtizəm noun ( s) Etymology: hyper + chromatin + ism : the development of excess chromatin or of excessive nuclear straining especially as a part of a pathologic process …   Useful english dictionary

  • Гиперхроматизм (Hyperchromatism) — свойство ядер некоторых клеток (например, опухоле вых) окрашиваться сильнее по сравнению с другими, нормальными клетками. Гнперхроматический (hyperchromatic). Источник: Медицинский словарь …   Медицинские термины

  • ГИПЕРХРОМАТИЗМ — (hyperchromatism) свойство ядер некоторых клеток (например, опухоле вых) окрашиваться сильнее по сравнению с другими, нормальными клетками. Гнперхроматический (hyperchromatic) …   Толковый словарь по медицине

  • hyperchromasia — SYN: hyperchromatism. * * * hy·per·chro·ma·sia krō mā zhə, z(h)ē ə n HYPERCHROMATISM * * * hy·per·chro·ma·sia (hi″pər kro maґzhə) hyperchromatism …   Medical dictionary

  • hyperchromatic — 1. Abnormally highly colored, excessively stained, or overpigmented. SYN: hyperchromic (1). 2. Showing increased chromatin. [hyper + G. chroma, color] * * * hy·per·chro·mat·ic krō mat ik adj of, relating to, or characterized by hyperchromatism… …   Medical dictionary

  • hyperchromia — SYN: hyperchromatism. macrocytic h. hyperchromatic macrocythemia; a misnomer inasmuch as the red blood cells are larger than normal, the total amount of hemoglobin per cell is increased, but the percentage of hemoglobin per cell is usually in the …   Medical dictionary

  • hyperchromatosis — hy·per·chro·ma·to·sis .krō mə tō səs n, pl to·ses .sēz 1) HYPERCHROMIA (2) 2) HYPERCHROMATISM * * * hy·per·chro·ma·to·sis (hi″pər kro″mə toґsis) 1. increased staining capacity. 2. hyperchromatism …   Medical dictionary

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