adjective Also pol·y·dac·tyl·ous. having many or several digits. having more than the normal number of fingers or toes.

How do you use polydactyly in a sentence?

For children with isolated polydactyly and syndactyly, the prognosis is excellent. There is no known prevention for polydactyly and syndactyly. Children with more severe polydactyly and syndactyly will have surgery to correct the malformation.

What is the correct spelling of the term for extra fingers or toes?

The medical term for having an extra finger or toe is polydactyly (pol-ee-dak-tuh-lee). The term literally means “extra digit.” Usually, a child has the extra digit next to the thumb, big toe, little finger or little toe.