xiphopagus


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xiphopagus

(zaɪˈfɒpəɡəs)
n, pl -gi (-ˌɡaɪ)
(Anatomy) either of a pair of Siamese twins joined at the lower sternum or xiphoid process
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Xiphopagus Conjoined Twins A 300 Year Review Of The Obstetric, Morphologic Neonatal And Surgical Parameters.
Conjoined twins represent an uncommon congenital malformation, with an estimated incidence of 1: 50,000-1: 100,000,1 and approximate 75 Percent of cases are females.2,3 Usually, conjoined twins are classified according to the most prominent site of conjunction: thorax (thoracopagus) 40 Percent , abdomen (xiphopagus and omphalopagus) 33 Percent , sacrum (pygopagus) 18 Percent , pelvis (ischiopagus) 6 Percent , and craniopagus (1-2 Percent).3,4