an·a·pla·sia

(ăn′ə-plā′zhə)

Reversion of cells to an immature or a less differentiated form, as occurs in most malignant tumors.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

anaplasia

(ˌænəˈpleɪsɪə)

(Biology) reversion of plant or animal cells to a simpler less differentiated form

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

an•a•pla•sia

(ˌæn əˈpleɪ ʒə, -ʒi ə)

n.

the loss of structural differentiation within a cell or group of cells.

[1905–10; ana- + -plasia]

an`a•plas′tic (-ˈplæs tɪk) adj.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

anaplasia - loss of structural differentiation within a cell or group of cells often with increased capacity for multiplication, as in a malignant tumor

dysplasia - abnormal development (of organs or cells) or an abnormal structure resulting from such growth

Translations

an·a·pla·si·a

n. anaplasia, falta de diferenciación en las células.

English-Spanish Medical Dictionary © Farlex 2012

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References in periodicals archive

When grading was based on the features of anaplasia, 83.3% showed a favourable histology, whereas in 16.7% the histology was unfavourable.

A STUDY OF RENAL TUMOURS FOR A PERIOD OF 5 YEARS

The designation of anaplasia in PA and the characterization of anaplastic PA as a distinct variant or a different entity entirely remain highly controversial.

Recent Progress in the Pathology and Genetics of Pilocytic and Pilomyxoid Astrocytomas

and with the degree of anaplasia. The hypoxia inducible factor (HIF-1)

Monthly Miracles: 16th International Integrative Oncology Conference--"Cancer, Cannabis & Keto," Day 2

(34,59) Type 2 papillary RCC is characterized by pseudostratified high-grade epithelium with abundant eosinophilic cytoplasm and nuclear anaplasia (Figure 6, A and B).

Hereditary Leiomyomatosis and Renal Cell Carcinoma Syndrome (HLRCC): A Contemporary Review and Practical Discussion of the Differential Diagnosis for HLRCC-Associated Renal Cell Carcinoma

A avaliacao microscopica revelou uma proliferacao de celulas epiteliais com discreta anaplasia, distribuidas em pequenas formacoes tubulo papilares e com grandes formacoes cisticas (Figura 2 A e B).

DIAGNOSTICO DE CARCINOMA MAMARIO EM CAO MACHO: RELATO DE CASO

The lower section of the follicles, namely the hair follicles and the hair bulb part that is below the bulge, experiences morphological changes, such as growth, anaplasia, and diapause.

Expression of fox-related genes in the skin follicles of Inner Mongolia cashmere goat

Tumour cells in OSA typically demonstrate severe anaplasia and pleomorphism and may be epitheloid, plasmacytoid, fusiform, small, and round or spindled.

The Role of Osteocalcin and Alkaline Phosphatase Immunohistochemistry in Osteosarcoma Diagnosis

Histologically, the neoplasm is composed of mature spindleform fibroblasts with a rich collagenous component, with a variable mitotic index but no evidence of cellular anaplasia or abnormal mitoses [4].

Recurrent Desmoid Tumor of the Neck: A Case Report of a Benign Disease with Aggressive Behavior

Mitoses were conspicuous, and there was no anaplasia or significant pleomorphism.

Congenital Rhabdomyosarcoma Presenting as a Neck Mass at Birth

These lesions reveal a smooth muscle phenotype with low mitotic activity, limited vascularization and lacks of anaplasia and necrosis [4-8, 10-13].

Benign Metastasizing Leiomyoma of the Uterus: Rare Manifestation of a Frequent Pathology

There was no evidence of large cell changes, significant cytological anaplasia, or desmoplasia.

Cerebellar Medulloblastoma in Middle-to-Late Adulthood

Se constato el adelgazamiento de la capsula con algunos centros germinales evidentes, obliteracion de los senos medulares que se hallan infiltrados con celulas neoplasicas, igualmente se encontro un grado severo de anaplasia, con perdida de la relacion nucleo-citoplasma (1:2,5), anisocitosis severa, hipercromatismo nuclear, cromatina dispersa, nucleolos muy evidentes; se observan dos y hasta tres nucleolos por nucleo, asi como de 8 a 10 mitosis en 10 campos de 40x y abundante presencia de macrofagos al interior de la neoplasia.

PRESENCIA DEL MARCADOR LMP-1 DEL VIRUS EPSTEIN-BARR EN LINFOMAS DE CANINOS