Embryonic stage | Time required to reach the stage in N. furzeri at 28 °C | Stage duration at 28 °C | Amount of embryos imaged |
---|---|---|---|
Dispersed phase (WS 19–20) | |||
Early (small number of green cells) | 4 days | 1 to 30 days | 4 |
Late (larger number of green cells) | 7 days on average | 12–24 h | 6 |
Dispersed phase transition (from few to many green cells) | 5–7 days on average | 2–3 days | 4 |
Reaggregation phase (WS 21–25) | 8 days on average | 8–12 h | 4 |
Extension phase (WS 26) | 9 days on average | 8–12 h | 4 |
Somitogenesis (without diapause II arrest) (WS 29–33) | 10 days on average | 5–8 days | 6 |
Diapause II arrest and release | 11 days on average | Days to years | 4 |