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Animation 1:
Animation 2:
Animation 3: Animation 4:
The embryo removed from the chorionic vesicle. It is enclosed in mesenchyme (pink) and connected to the chorionic plate via the connecting stalk. The embryonic disc (green) and embryonic mesoderm (pink). The amnion has been cut. Embryonic disc with the umbilical vesicle (yellow), amnion (gray), and connecting stalk.

Embryonic disc with transparent connecting stalk and umbilical vesicle(yolk sac).

Animation 5: Animation 6:

In addition to these animations that were made from the WinSurf reconstructions, we are also providing the original WinSurf files together with a WinSurf Viewer. Models displayed in the Viewer can be rotated about all three axes, users can zoom in and out, and models can be translated. Also, the color and opacity of different objects in the models can be varied.

Download Winsurf Data Files and Viewer

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Stage 3