anaplasia

anaplasia
Loss of structural differentiation, especially as seen in most, but not all, malignant neoplasms. SYN: dedifferentiation (2). [G. ana, again, + plasis, a molding]

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an·a·pla·sia .an-ə-'plā-zh(ē-)ə n reversion of cells to a more primitive or undifferentiated form

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n.
a loss of normal cell characteristics or differentiation, which may be to such a degree that it is impossible to define the origin of the cells. Anaplasia is typical of rapidly growing malignant tumours, which are described as anaplastic.

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ana·pla·sia (an″ə-plaґzhə) [ana- + -plasia] a loss of differentiation of cells and of their orientation to one another and to their axial framework and blood vessels, a characteristic of tumor tissue; called also dedifferentiation and undifferentiation.

Medical dictionary. 2011.

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Look at other dictionaries:

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  • anaplasia — n. 1. loss of structural differentiation within a cell or group of cells often with increased capacity for multiplication, as in a malignant tumor. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • anaplasia — s. f. 1. Arte de dar a uma parte mutilada do corpo a sua forma normal. 2. Autoplastia. • Sinônimo geral: ANAPLASTIA …   Dicionário da Língua Portuguesa

  • Anaplasia — Hyperplasia, Hypertrophy, Carcinoma, SarcomaHyperplasia: an increase in the number of cells in an organ or tissue, which usually leads to an increase in the size of the tissue or organHypertrophy: an increase in the size of cells, leading to an… …   Wikipedia

  • anaplasia — {{＃}}{{LM A02271}}{{〓}} {{［}}anaplasia{{］}} ‹a·na·pla·sia› {{《}}▍ s.f.{{》}} {{♂}}En medicina,{{♀}} pérdida de las características propias de una célula, que adquiere un aspecto parecido al embrionario o inmaduro: • Algunas células cancerosas… …   Diccionario de uso del español actual con sinónimos y antónimos

  • anaplasia — ► sustantivo femenino MEDICINA Pérdida de diferenciación celular y estructural, característica de los tejidos tumorales. * * * anaplasia f. Med. Pérdida de las características de una célula …   Enciclopedia Universal

  • anaplasia — n. a loss of normal cell characteristics or differentiation, which may be to such a degree that it is impossible to define the origin of the cells. Anaplasia is typical of rapidly growing malignant tumours, which are described as anaplastic …   The new mediacal dictionary

  • Anaplasia — ląstelių paprastėjimas statusas T sritis gyvūnų raida, augimas, ontogenezė, embriologija atitikmenys: lot. Anaplasia ryšiai: platesnis terminas – dediferenciacija sinonimas – anaplazija …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

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  • anaplasia del cérvix — atrofia regresiva del cuello del útero [ICD 10: N87.9] Diccionario ilustrado de Términos Médicos.. Alvaro Galiano. 2010 …   Diccionario médico

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