iliadelphus

iliadelphus

 [il″e-ah-del´fus] symmetrical conjoined twins united in the iliac region; iliopagus.

du·plic·i·tas pos·te·ri·or

conjoined twins in which there is a single head and upper body and duplicated buttocks and lower limbs. See: conjoined twins.
See also: dipygus. Synonym(s): anadidymus, ileadelphus, iliadelphus