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[bla-stee-muh] /blæˈsti mə/
noun, plural blastemas, blastemata
[bla-stee-muh-tuh] /blæˈsti mə tə/ (Show IPA).
an aggregation of cells in an early embryo, capable of differentiation into specialized tissue and organs.
Origin of blastema
1840-50; < New Latin < Greek blástēma (blastē- verbid stem of blasteîn to sprout + -ma noun suffix denoting result of action)
Related forms
blastemal, blastematic
[blas-tuh-mat-ik] /ˌblæs təˈmæt ɪk/ (Show IPA),
[bla-stee-mik, -steem-ik] /blæˈsti mɪk, -ˈstim ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for blastema


noun (pl) -mas, -mata (-mətə)
a mass of undifferentiated animal cells that will develop into an organ or tissue: present at the site of regeneration of a lost part
Derived Forms
blastemic (blæˈstiːmɪk; -ˈstɛm-) adjective
Word Origin
C19: from New Latin, from Greek: offspring, from blastos bud
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 blastema

1849, Modern Latin, from Greek blastema "offspring, offshoot," from stem of blastanein "to shoot forth," from blastos "sprout, germ," of unknown origin. Related: Blastemal.

Online Etymology Dictionary, © 2010 Douglas Harper
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blastema in Medicine

blastema blas·te·ma (blā-stē'mə)

  1. The formative, undifferentiated material from which cells are formed.

  2. A mass of embryonic cells from which an organ or a body part develops, either in normal development or in the regeneration of a lost body part.

blas·te'mal or blas'te·mat'ic (blās'tə-māt'ĭk) or blas·te'mic (blā-stē'mĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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