katatrepsis
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 23:40, 13 September 2013 by Andreas Plank (Talk | contribs)
katatrepsis (noun; Greek kata, down; trepein, to turn): 1. (Arthropoda: Insecta) In blastokinesis, the movement of the embryo inside the egg from one pole to another.
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.
