substage_of
immediately_preceded_by
immediately preceded by
starts_at_end_of
immediately preceded by
developmental stage
gastrula stage
embryonic stage 8
embryonic stage 9
FlyBase_development_CV
Temporal ordering number - 280.
Stage 9 begins when mesodermal segmentation becomes (transiently) visible, and ends with the appearance of the stomodeal invagination slightly ventral to the anterior pole. Duration at 25 degrees C: approximately 40 minutes (220-260 minutes after egg laying).
FBdv:00005323
early extended germ band stage