from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. sexdactyly
Sorry, no etymologies found.
Polydactyly, or more specifically in this case, hexadactyly, which is quite rare to have 6 digits on both hands and feet--much more "common" to have an extra finger or toe.
The Duodecimal Bulletin, which continues to this day, is an excellent publication and the only place outside medical literature with articles on hexadactyly, the condition of being born with six fingers.
The condition - known as polydactyly or hexadactyly - is usually genetic ...
He turned out to have Bardet-Biedl Syndrome (a genetic disease characterized by obesity, eye problems, kidney problems, hexadactyly or six fingers and toes, developmental delay etc.)