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morphogen
mor·pho·gen [ máwrfəjən ] (plural mor·pho·gens)


noun 
Definition:
 
substance important for development of embryo: a substance that influences the differentiation and growth of embryonic cells
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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