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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

Fingerprints

CI 5: Demonstrate methods of fingerprint development.

EQ: What are the patterns and characteristics of fingerprints?

fingerprint
Fingerprint
  • An imprint made by ridge patterns on the tip of a finger.
dactyloscopy
dactyloscopy
  • The study of fingerprints
anthropometry
anthropometry
  • The study of human body measurements
slide5
Loop
  • Fingerprint pattern with one or more ridges entering from the side, curving, then going out on the same side entered
delta
Delta
  • Triangular area found in all loop and whorl patterns
slide7
Core
  • Area found near the center of all loop and whorl patterns
whorl
whorl
  • Fingerprint pattern with at least 2 deltas and a core
slide9
arch
  • Least common and simplest fingerprint pattern.
  • Arches have no delta or core. All ridges enter one side and exit the other.
minutiae
Minutiae
  • Ridge characteristics used to describe fingerprints
plastic print
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
visible print
Visible print
  • Fingerprint left by a finger that has touched blood, paint, ink, or the like.
latent print
Latent print
  • Fingerprint made by the deposit of perspiration or body oils
  • Invisible to the naked eye until developed
bifurcations
bifurcations
  • Common minutiae, shaped like a 2-pronged fork.