Abiotrophy

Abiotrophy
Loss of function or degeneration for reasons unknown. For example, cerebellar abiotrophy may affect coordination while cone-rod abiotrophy may cause blindness at birth.
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An age-dependent manifestation of a genetically determined trait. [G. a- priv. + bios, life, + trophe, nourishment]

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abi·ot·ro·phy .ā-(.)bī-'ä-trə-fē n, pl -phies degeneration or loss of function or vitality in an organism or in cells or tissues not due to any apparent injury <senile dementia and related abiotrophies (David Bowen)>
abio·tro·phic .ā-.bī-ō-'trō-fik, -'träf-ik adj

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n.
degeneration or loss of function without apparent cause; for example, retinal abiotrophy is progressive degeneration of the retina leading to impaired vision, occurring in genetic disorders such as retinitis pigmentosa.

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abi·ot·ro·phy (a″bi-otґrə-fe) [a-1 + bio- + -trophy] progressive loss of vitality of certain tissues or organs, leading to disorders or loss of function; applied especially to degenerative hereditary diseases of late onset, e.g., Huntington disease. abiotrophic adj

Medical dictionary. 2011.

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Look at other dictionaries:

  • abiotrophy — abiotrophy. См. абиотрофия. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • abiotrophy — n. degeneration or loss of function without apparent cause; for example, retinal abiotrophy is progressive degeneration of the retina leading to impaired vision, occurring in genetic disorders such as retinitis pigmentosa …   The new mediacal dictionary

  • abiotrophy — abiotrophic /ay buy euh trof ik, troh fik, ab ee /, adj. /ay buy o treuh fee, ab ee /, n. Pathol. the loss of vitality in or the degeneration of certain cells or tissues, as in the aging process. [A 6 + BIO + TROPHY] * * * …   Universalium

  • abiotrophy — noun a) degeneration of cells or tissues, especially with genetic causes. b) the associated hereditary disease of abiosis …   Wiktionary

  • abiotrophy — eɪbaɪə trÉ‘fɪ / trÉ’f n. loss of life in or decay of particular cells or tissues (Pathology) …   English contemporary dictionary

  • abiotrophy — abi·ot·ro·phy …   English syllables

  • abiotrophy —   n. physical degeneration; loss of vitality.    ♦ abiotrophic, a …   Dictionary of difficult words

  • abiotrophy — noun a loss of vitality and a degeneration of cells and tissues not due to any apparent injury • Hypernyms: ↑degeneration, ↑retrogression …   Useful english dictionary

  • Cerebellar abiotrophy — (CA), also referred to as the cerebellar cortical abiotrophy (CCA), which is a genetic neurological disease in animals best known to affect certain breeds of horses and dogs. It develops when the neurons known as Purkinje cells, located in the… …   Wikipedia

  • Абиотрофия (Abiotrophy) — скрытая аномалия органа или системы организма. Дегенерация или потеря функций того или иного органа или системы органов без каких то явных причин; например, абиотрофия сетчатки (тапеторетинальная дегенерация, retinal abiotrophy) прогрессирующая… …   Медицинские термины

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