Rhachipagus
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Rhachipagus is a rare form of conjoined twinning where the two fetuses are fused at the spinal column, specifically in the lower region. This term is historically associated with the classification of pygopagus twins.
Encyclopedia entry (1928–1936)
RHACHIPAGUS (from the Greek rachis—spine and pegnumi—I fasten together), a double monstrosity in which two fetuses are found to be joined in the region of the spine, specifically at its lower end (see Pygopagus).
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Cite this page
“Rhachipagus.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/rhachipagus/