Fingerprints

Front

What is a fingerprint?

Back

A fingerprint is an impression or mark made by the pattern of ridges and valleys on the surface of a fingertip, unique to each individual.

Front

What are the three main types of fingerprint patterns?

Back

The three main types of fingerprint patterns are loops, whorls, and arches.

Front

Which fingerprint pattern is the most common in the U.S.?

Back

The loop pattern is the most common fingerprint pattern in the U.S.

Front

What is the least common fingerprint pattern?

Back

The arch pattern is the least common fingerprint pattern.

Front

Define a loop fingerprint pattern.

Back

A loop fingerprint pattern is characterized by ridges that enter from one side, loop around, and exit from the same side.

Front

Define a whorl fingerprint pattern.

Back

A whorl fingerprint pattern has circular or spiral ridges that form a complete circuit.

Front

Define an arch fingerprint pattern.

Back

An arch fingerprint pattern has ridges that rise in the center, creating a wave-like appearance.

Front

What is a plain whorl?

Back

A plain whorl is a fingerprint pattern that has at least two deltas and a core, with ridges that make a complete circuit.

Front

What is a central pocket whorl?

Back

A central pocket whorl is a fingerprint pattern that has a whorl in the center and two deltas, but the ridges do not form a complete circuit.

Front

What is a tented arch?

Back

A tented arch is a fingerprint pattern that has a central core and rises sharply, resembling a tent.