Movie 4.

Animal hemisphere view of a Dimple stage Hofstenia embryo with 1a and 1b blastomeres labeled with fluorescein dextran. Time-lapse recording of a Dimple stage embryo. All labeled cells are the progeny of the 1a and 1b blastomeres. A patch of labeled cells can be seen being internalized.

Embryonic development in the acoel Hofstenia miamia

Julian O. Kimura, Lorenzo Ricci, and Mansi Srivastava

Development 2021. 148:None-None; doi: 10.1242/dev.188656