chemodifferentiation


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che·mo·dif·fer·en·ti·a·tion

(kē'mō-dif'er-en-shē-ā'shŭn),
Differentiation of the cellular chemical constituents in the embryo before cytodifferentiation; sometimes recognizable histochemically.

chemodifferentiation

[-dif′əren′shē·ā′shən]
a stage in embryonic development that precedes and controls specialization and differentiation of the cells into rudimentary organs.