part of has characteristic develops into larval abdominal segment 8 genital disc abdominal tergite 8 primordium female genital primordium 2022-01-17T11:16:01Z fly_anatomy.ontology FBbt:00052052 Ventral region of the genital disc that derives from abdominal segment 8 (Keisman et al., 2001). By third instar stage, it constitutes the majority of the disc in the female, but a much smaller proportion in the male (Keisman et al., 2001). In females, it produces the majority of adult female genital structures, in the male it produces a miniature eighth tergite (Keisman et al., 2001). sexually dimorphic