Hypognathus

Also known as: Hypognathia

Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.

Hypognathus is a type of asymmetric double monstrosity where parts of a parasitic fetus develop in the lower jaw region of the primary fetus (autosite). These parasitic tissues typically consist of various components normally found in the head.

Encyclopedia entry (1928–1936)

HYPOGNATHUS (from Greek hypo—below and gnathos—lower jaw), a deformity of the asymmetric double monstrosity type (see), in which parts of another fetus (the parasite) develop in the region of the lower jaw of the primary fetus (the autosite), usually consisting of various tissues that make up the head.

Cite this page

“Hypognathus.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/hypognathus/