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evocator

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia 0.01 sec.
evocator /evo·ca·tor/ (ev´o-kāt″er) a chemical substance emitted by an organizer that evokes a specific morphogenetic response from competent embryonic tissue in contact with it.
ev·o·ca·tor (v-ktr, v-)
n.
A factor in the control of morphogenesis in the early embryo. Also called inductor.

evocator
[ev′ōkā′tər]
Etymology: L, evocare, to call forth
a specific chemical substance or hormone that is emitted from the organizer part of the embryonic tissue and acts as a morphogenetic stimulus in the developing embryo.


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61) David of Augsburg's instructions concerning the performance of chants and devotional songs accord with (indeed, anticipate) the hermeneutics of Bonaventure, as he places music in the role of evocator in one's sensual perception of the divine mysteries inherent in Scripture.
 
 
 
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