an impression left on any surface that consists of patterns made by ridges on the tip of a finger

a fingerprint pattern in which the ridge pattern originates from one side of the print and leaves from the other side

a hidden fingerprint made visible through the use of powders or other techniques

a three-dimensional fingerprint made in soft material such as clay, soap, paint, putty, or wax

the combination of details in the shapes and positions of ridges in fingerprints that make each unique; also called ridge characteristics

a triangular ridge pattern with ridges that go in different directions above and below a triangle; found in all loop and whorl patterns

the study of fingerprints

a center of a loop or whorl pattern

a fingerprint pattern in which the ridge enters from one side, curves, then exits on the same side

a fingerprint pattern that resembles a bull’s-eye

a visible fingerprint that happens when fingers with

blood, ink, chalk, grease or dirt on them touch a surface and transfer the pattern of their fingerprint to that surface