Polydactyly or polydactylism (from Ancient Greek (polus) "many" + δάκτυλος (daktulos) "finger"), also known as hyperdactyly, is a congenital physical anomaly consisting of supernumerary fingers or toes. When each hand or foot has six digits, it's sometimes called sexdactyly, hexadactyly, or hexadactylism. The extra digit is usually a small piece of soft tissue; occasionally it may contain bone without joints; rarely it may be a complete,… (More on Polydactyl)