part of mitotic domain mitotic domain 25 FBbt:00000084 At about 115mins after the onset of mitosis stage 14, the first cells in the ventral territory immediately adjacent to mitotic domain 14, divide. These first dividing cells constitute mitotic domain 25, whose metamerically reiterated members are located amongst the cells of domain M that begin division about 25mins later and will divide asynchronously. mitotic domain delta14-25 fly_anatomy.ontology See figure 1 of Foe (1989) for an atlas of mitotic domains. stage 9 embryo