Tricephalus
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Tricephalus is a rare developmental deformity characterized by the presence of three heads or parts thereof in a single fetus. It is classified as a type of monozygotic triple monstrosity and is incompatible with life.
Encyclopedia entry (1928–1936)
TRICEPHALUS, triencephalus, three-headed, a developmental deformity in which the presence of 3 heads or parts thereof is observed in a single fetus. It belongs to the category of triple monstrosities and, moreover, monozygotic ones. The fetuses are non-viable. In humans, it occurs very rarely.
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Cite this page
“Tricephalus.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/tricephalus/