evocation /evo·ca·tion/ (ev″ah-ka´shun) the calling forth of morphogenetic potentialities through contact with organizer material.
evocation
ev·o·ca·tion ( v  -k  shn,  v-)n. The induction of a particular tissue produced by the action of an evocator during embryogenesis. |
evocation
[ev′ōkā′shən]
Etymology: L, evocare, to call forth
a specific morphogenetic change within a developing embryo that results from the action of a single hormone or other chemical. See also induction.
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