Invagination (VIDEO)

European Molecular Biology Laboratory

Caption

This is a side view of the invagination process in a fruit fly embryo. The outer/apical surface of the cells contracts, while the inner/basal surface relaxes. This coordinated process generates a force that drives the cell towards the inside of the embryo. This is the first step towards the development of an organ.

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IMAGE: Daniel Krüger / EMBL

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