1.Summarize the formation of friction ridge skin and how it relates to the permanence of fingerprints. The skin over most of our bodies is fairly smooth. 'Friction Ridges', however, are found on the digits, palms and soles. They are called 'friction' ridges because of their biological function that helps us grasp and hold onto objects. Sometimes compared to fine lines found in corduroy, unlike corduroy, ridges vary in length and width, branch off, end suddenly …showed first 75 words of 907 total…

…showed last 75 words of 907 total…Dermal Papillae Page 3 Understanding the various stages of friction skin growth during fetal development is of utmost importance to the friction ridge identification specialist. The task of explaining friction skin persistency and uniqueness would be a difficult one to say the least with no knowledge of this. Scientific research has provided us with reasons as to why fingerprints are persistent and unique - the main premises of fingerprint identification. References: Ridges and furrows.com homepage