blas·​te·​ma | \ bla-ˈstē-mə \
plural blastemas or blastemata\ bla-​ˈstē-​mə-​tə \

Definition of blastema

: a mass of undifferentiated cells capable of growth and differentiation

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Other Words from blastema

blastemal \ bla-​ˈstē-​məl \ or blastematic \ ˌbla-​stə-​ˈma-​tik \ adjective

Examples of blastema in a Sentence

Recent Examples on the Web

The first phase of the Pentagon’s plan to regrow soldiers’ limbs is complete; scientists managed to turn human skin into the equivalent of a blastema — a mass of undifferentiated cells that can develop into new body parts. Noah Shachtman, WIRED, "Pentagon Plan to Regrow Limbs: Phase One, Complete," 25 Mar. 2009

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blastema.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of blastema

circa 1823, in the meaning defined above

History and Etymology for blastema

borrowed from Greek blástēma "shoot, offshoot," from blastē-, variant stem of blastánein, aorist blasteîn "to bud, sprout, grow" + -ma, resultative noun suffix — more at -blast

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Time Traveler for blastema

The first known use of blastema was circa 1823

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More Definitions for blastema


blas·​te·​ma | \ bla-ˈstē-mə \
plural blastemas also blastemata\ -​mət-​ə \

Medical Definition of blastema

: a mass of living substance capable of growth and differentiation

Other Words from blastema

blastematic \ ˌblas-​tə-​ˈmat-​ik \ or blastemic \ bla-​ˈstē-​mik , -​ˈstem-​ik \ adjective

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Comments on blastema

What made you want to look up blastema? Please tell us where you read or heard it (including the quote, if possible).


tremendous in size, volume, or degree

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