FingerprintsCI 5: Demonstrate methods of fingerprint

development.EQ: What are the patterns and characteristics of fingerprints?

FingerprintAn imprint made by ridge patterns on the tip of a finger.

dactyloscopyThe study of fingerprints

anthropometryThe study of human body measurements

LoopFingerprint pattern with one or more ridges entering from the side, curving, then going out on the same side entered

DeltaTriangular area found in all loop and whorl patterns

CoreArea found near the center of all loop and whorl patterns

whorlFingerprint pattern with at least 2 deltas and a core

archLeast common and simplest fingerprint pattern.

Arches have no delta or core. All ridges enter one side and exit the other.

MinutiaeRidge characteristics used to describe fingerprints

Plastic print3 D print made as indentation in soft material such as fresh paint, putty or wax.

Also called an indented or molded print

Visible printFingerprint left by a finger that has touched blood, paint, ink, or the like.

Latent printFingerprint made by the deposit of perspiration or body oils

Invisible to the naked eye until developed

bifurcationsCommon minutiae, shaped like a 2-pronged fork.