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Cinematographic Observation of “Post-Fertilization waves” (PFW) on the zygote ofXenopus laevis

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Summary

In fertilizedXenopus eggs, shortly after egg rotation but well before the occurrence of the cleavage-associated “surface contraction waves”, two circular dark zones originate consecutively from the pigment spot marking the site of sperm entrance. They expand and travel centrifugally over the egg surface.

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Hara, K., Tydeman, P. & Hengst, R.T.M. Cinematographic Observation of “Post-Fertilization waves” (PFW) on the zygote ofXenopus laevis . Wilhelm Roux' Archiv 181, 189–192 (1977). https://doi.org/10.1007/BF00848442

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  • DOI: https://doi.org/10.1007/BF00848442

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