Terminology Dicephalic parapagus twins



skeletal structure of dicephalic twins. from: hirst & piersol, 1893.


dicephalus means two-headed. parapagus means joined side side.


dicephalic twins called:



dibrachius if have 2 arms altogether (one each twin),
tribrachius, if have 3 arms altogether,
tetrabrachius, if have 4 arms altogether,
dipus, if have 2 legs altogether (one each twin).




^ cite error: named reference harma 179 invoked never defined (see page).
^ başaran, sibel; sarpel, tunay (2013). parapagus (dicephalus, tetrabrachius, dipus) conjoined twins , rehabilitation (pdf). turkish journal of pediatrics (55): 99. archived original (pdf) on 2016-01-31. 
^ cite error: named reference harma 182 invoked never defined (see page).
^ harma, m.; oksuzier, c. (february 2005). vaginal delivery of dicephalic parapagus conjoined twins: case report , literature review . tohoku j. exp. med. (205): 183. 






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