embryonic stage 4
http://www.ebi.ac.uk/efo/EFO_0005863
Term info
database cross reference
- FBdv:00005306
comment
Temporal ordering number - 170.
definition
Nuclear division 10-13. Polar buds divide twice and become tightly grouped at the posterior pole by the end of this stage. Nuclei visible at the rim of the embryo. Stage 4 ends with the beginning of cellularization. Duration at 25 degrees C: approx. 50 minutes (80-130 minutes after egg laying).
term editor
Catherine Leroy