Hyperdactyly and Hypodactyly

Also known as: Polydactyly, Hypodactyly

Historical document, translated for reference.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

This article defines hyperdactyly and hypodactyly as developmental defects involving an abnormal number of fingers or toes. It notes that the term polydactyly is more commonly used for cases of extra digits.

Encyclopedia entry (1928–1936)

HYPERDACTYLY, HYPODACTYLY, a developmental defect in which the number of fingers or toes is greater or less than the norm. In the first case, it is more customary to speak of polydactyly (see). See also Adactyly.

Cite this page

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