Pygopagus: Joined at the Sacrum
Fig. 3848 Pygopagus Symmetros (Pancoast) from: Fisher, George Jackson. "Teratology," A Reference Handbook of the Medical Sciences. New York: William Wood, 1889. Vol. 7, p. 17.
Courtesy National Library of Medicine
Fig. 3848 Pygopagus Symmetros (Pancoast) from: Fisher, George Jackson. "Teratology," A Reference Handbook of the Medical Sciences. New York: William Wood, 1889. Vol. 7, p. 17.
Courtesy National Library of Medicine