7e26d8ac_Eng_and_Chang_Bunker__Scientific_Term
[Description] One body with two separate heads and necks. Abigail and Brittany Hensel of the United States are an example of this very rare type of conjoined twin. The Tocci Brothers, Scottish Brothers and Ritta and Christina were also examples of this type of conjoined twin. [Scientific Term] 
Dicephalus
C r a n i o p a g u s
T h o r a o p a g u s
P y g o p a g u s
I s c h i o p a g u s
O m p h a l o p a g u s
D i c e p h a l u s
Eng and Chang Bunker
Scientific Term