Eight-cell stage
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The eight-cell stage is a period in embryonic development when the conceptus has undergone three cleavages from a single cell, resulting in eight cells. In some mammals, it is at this stage of development that the individual cells begin to adhere tightly, a process called compaction. [1] A single cell can be removed from a pre-compaction 8 cell embryo and used for genetic screening. [2]
[edit] References
- ^ PMID 8793055; Handyside, A.H., Nikas, G.; Ao, A., Winston, R.M.L (1996). "Compaction and Surface Polarity in the Human Embryo In Vitro" (pdf). Biology of Reproduction. http://www.biolreprod.org/cgi/reprint/55/1/32.pdf.
- ^ PMID 15569702
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