Fingers of the human left handA finger is a type of digit, an organ of manipulation and sensation found in the hands of humans and other primates.Normally humans have five digits on each hand (exceptions are polydactyly, hypodactyly and digit loss). The first digit is the thumb, followed by index finger, middle finger, ring finger, and little finger or pinky. Some other languages use the same generic term for all five digits of a hand.Linguistically, it appears that the origin