part of mitotic domain mitotic domain 1 FBbt:00000060 fly_anatomy.ontology mitotic domain delta14-1 See figure 1 of Foe (1989) for an atlas of mitotic domains. The first mitotic domain to complete interphase 14 and enter mitosis, doing so approximately 70 minutes after the start of interphase 14. It is located dorsolaterally at the anterior the animal, and is bilaterally symmetric. stage 7 embryo stage 8 embryo