Polydactyly

Polydactyly or polydactylism (from Greek πολύς (polys), meaning "many", and δάκτυλος (daktylos), meaning "finger"), also known as hyperdactyly, is a congenital physical anomaly in humans, dogs, and cats having supernumerary fingers or toes. Polydactyly is the opposite of oligodactyly (fewer fingers or toes).

Polydactyly

Polydactyly or polydactylism (from Greek πολύς (polys), meaning "many", and δάκτυλος (daktylos), meaning "finger"), also known as hyperdactyly, is a congenital physical anomaly in humans, dogs, and cats having supernumerary fingers or toes. Polydactyly is the opposite of oligodactyly (fewer fingers or toes).