KnowraConjoined twinsLinked fromLinked fromThe 8 pages that link to Conjoined twins, each with the reason it gives.All 8Broader topic 1Related 2Narrower topic 4Compared with 1Human embryonic developmentRelated: They are a rare outcome associated with incomplete separation of an early embryonic axis.Frank LentiniRelated: Lentini's additional leg has been attributed to an incompletely developed parasitic twin.