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aplasia

[uh-pley-zhuh] /əˈpleɪ ʒə/
noun, Pathology
1.
defective development or congenital absence of a limb, organ, or other body part.
Origin
1880-1885
1880-85; a-6 + -plasia
Related forms
aplastic
[ey-plas-tik] /eɪˈplæs tɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for aplasia

aplasia

/əˈpleɪzɪə/
noun
1.
(pathol) congenital absence or abnormal development of an organ or part
Word Origin
C19: New Latin, from a-1 + -plasia, from Greek plassein to form
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for aplasia
n.

1885, medical Latin, from Greek a-, privative prefix (see a- (3)), + -plasia.

Online Etymology Dictionary, © 2010 Douglas Harper
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aplasia in Medicine

aplasia a·pla·si·a (ə-plā'zē-ə, -zhə)
n.

  1. Congenital absence of an organ or tissue.

  2. Incomplete, retarded, or defective development of an organ or tissue.

  3. Cessation of the usual regenerative process in an organ or tissue.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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