aplasia

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a·pla·sia

 (ə-plā′zhə)
n.
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.

aplasia

(əˈpleɪzɪə)
n
(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.
Translations
aplasie

a·pla·si·a

n. aplasia, falta de desarrollo normal en un órgano.
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References in periodicals archive ?
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.
Sertoli-cell-only syndrome (also referred to as germ cell aplasia) applies to a testicle in which germ cells at any stage of maturation are absent, but the tubular architecture is not effaced by fibrosis and supporting cells continue to be present.
Similar to Yehia's study, the present findings showed higher levels of inhibin B in azoospermic samples with maturation arrest at advanced stages of spermatogenesis compared to samples without any germ cells (Sertoli cell only syndrome or germ cell aplasia), (30).