has characteristic develops from genital disc primordium imaginal disc genital disc Imaginal disc that gives rise to the internal and external genitalia, analia and adult hindgut (Cohen, 1993). It is located just anterior to the anus of the larva, connected to the epidermis by a thick stalk at the posterior of the disc (Epper and Nothiger, 1982). UBERON:6001784 FBbt:00001784 fly_anatomy.ontology sexually dimorphic