blasto-

blasto-

a combining form meaning “bud, sprout,” “embryo,” “formative cells or cell layer,” used in the formation of compound words: blastosphere.
Also, -blast.


Origin:
< Greek, combining form of blastós a bud, sprout

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Collins
World English Dictionary
blasto-
 
combining form
(in biology) indicating an embryo or bud or the process of budding: blastoderm
 
[from Greek blastos; see -blast]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

blasto- or blast-
pref.
Bud; germ; budding; germination: blastocyst.

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