Table 1.
Number of cells per embryo during early Xenopus development
| Developmental stagea | Number of cells per embryob |
|---|---|
| 4 | 8 |
| 6 | 32 |
| 7.5 | 256 |
| 8 | ∼1000 |
| 8.5 | ∼4000 |
| 10 | ∼30,000 |
| 12 | ∼40,000 |
| 19 | ∼90,000 |
| 32 | ∼200,000 |
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a According to Nieuwkoop and Faber (1994).
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b From Woodland and Gurdon (1968) and Dale and Slack (1987).
