Role of motility in embryonic developmen
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Wu, K.-C. ;Streicher, J. ;Lee, M.L. ;Hall, B.K. ;MΓΌller, G.B.
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Article
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2001
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John Wiley and Sons
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English
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## Abstract This study provides a quantitative analysis of the active movements of the chick embryo and of the contractions of the amnion over the entire developmental period of 21 days. Four types of embryo movements are distinguished. The motor activity of the embryo shows two characteristic peak