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Defective development resulting in the absence of all or part of an organ or tissue.
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.


(Pathology) pathol congenital absence or abnormal development of an organ or part
[C19: New Latin, from a-1 + -plasia, from Greek plassein to form]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aplasia - failure of some tissue or organ to develop
dysplasia - abnormal development (of organs or cells) or an abnormal structure resulting from such growth
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n. aplasia, falta de desarrollo normal en un órgano.
English-Spanish Medical Dictionary © Farlex 2012
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References in periodicals archive ?
High-dose chemotherapy to kill the cancer cells extirpates the bone marrow where blood cells are produced, producing aplasia and crippling the patient's immune system.
Pathological examinations of the testicular biopsy specimens revealed hypospermatogenesis, maturation arrest and germ cell aplasia in 34.4%, 31.2% and 34.4% of patients, respectively.
of Cases Percentage Meconium Aspiration Syndrome 78 31.2% Hyaline Membrane Disease 65 26% Transient Tachypnoea 50 20% Pneumonia 25 10% Right Pulmonary Aplasia 1 0.4% Table 2.
Five of 14 patients remain in CR with ongoing persistence of CAR T cells and associated B cell aplasia.
There is aplasia of the caudal metameres with abrupt wedge-shaped terminus of the cord, which is high-lying.
Trials have also reported development of serious infections, low blood cell counts, immunosuppression and B-cell aplasia. Therefore, these toxicities must be promptly reported as they may require immediate medical attention from the cancer care team and if overlooked may even result in death.
The present study reports a case of the left lateral SCC (LSCC) aplasia.
The first case with aplasia of the epiglottis who also had complete median cleft palate was reported in 1983 in SA Medical Journal (4).
Following the second cycle, the patient experienced a four-month period of hematologic aplasia, which postponed the allogeneic stemcell transplant (allo-HSCT).
found that 4 of 135 (2.9%) patients with MG had pure red cell aplasia (PRCA) after thymectomy (5).