anatrepsis


anatrepsis
n. [Gr. anatrepein, to turn over]
1. Increase of movement during blastokinesis.
2. (ARTHROPODA: Insecta)
In blastokinesis, a term used to describe the movement of the embryo inside the egg from one pole to another; refers to different activities in different groups of insects, i.e., ventral to dorsal, dorsal to ventral; see katatrepsis.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • katatrepsis — n. [Gr. 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,… …   Dictionary of invertebrate zoology


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