Finger Print is an impression left by the friction ridges of human fingers.They are known for their uniqueness and permanance, which are the two main fundamentals of the fingerprints. Human fingerprints are detailed, unique, difficult to alter and durable over the life of an individual. Making them suitable as long term markers of human identity.

A friction ridge is a raised portion of the epidermis on the palmar (palm and fingers) or plantar (sole and toes) skin, consisting of one or more connected ridge units of friction ridge skin . These ridges are sometimes known as "dermal ridges" or "dermal papillae".