katatrepsis
From ZooTerms (Dictionary of Invertebrate Zoology)
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Arthropoda: Insecta) In blastokinesis, the movement of the embryo inside the egg from one pole to another.
katatrepsis (noun; Greek kata, down; trepein, to turn): 1. (
2. Refers to different activities in different groups of insects, i.e., dorsal to ventral, ventral to dorsal.
3. Decrease of movement during blastokinesis
See also: anatrepsis.