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Fingerprints

Fingerprints. CI 5: Demonstrate methods of fingerprint development. EQ: What are the patterns and characteristics of fingerprints?. Fingerprint . An imprint made by ridge patterns on the tip of a finger. dactyloscopy. The study of fingerprints. anthropometry.

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Fingerprints

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  1. Fingerprints CI 5: Demonstrate methods of fingerprint development. EQ: What are the patterns and characteristics of fingerprints?

  2. Fingerprint • An imprint made by ridge patterns on the tip of a finger.

  3. dactyloscopy • The study of fingerprints

  4. anthropometry • The study of human body measurements

  5. Loop • Fingerprint pattern with one or more ridges entering from the side, curving, then going out on the same side entered

  6. Delta • Triangular area found in all loop and whorl patterns

  7. Core • Area found near the center of all loop and whorl patterns

  8. whorl • Fingerprint pattern with at least 2 deltas and a core

  9. arch • Least common and simplest fingerprint pattern. • Arches have no delta or core. All ridges enter one side and exit the other.

  10. Minutiae • Ridge characteristics used to describe fingerprints

  11. Plastic print • 3 D print made as indentation in soft material such as fresh paint, putty or wax. • Also called an indented or molded print

  12. Visible print • Fingerprint left by a finger that has touched blood, paint, ink, or the like.

  13. Latent print • Fingerprint made by the deposit of perspiration or body oils • Invisible to the naked eye until developed

  14. bifurcations • Common minutiae, shaped like a 2-pronged fork.

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