ANATREPSIS

anatrepsis: translation

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.