Chapters
8.1 The Carnegie stages
8.2 From the blastoderm layer to the embryo
8.3 Folding of the germinal disk and the generation of the abdominal wall (4th week)
8.4 The most important events in the third to eighth developmental weeks
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Introduction to the developmental processes during the third week (stages 6 to 7; ca. 17-19 days)
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Fourth week (stages 8 to 10; ca. 23-28 days)
- Fifth week (stages 11 to 14; ca. 29-33 days)
- Sixth week (stages 15 to 17; ca. 36-41 days)
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Seventh week (stages 18 to 20; ca. 44-49 days)
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Eighth week (stages 21 to 23; ca. 51-56 days)