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Types of Fingerprint Patterns

Double Loop
Double Loop

The loop is the most common fingerprint pattern all over the world. To identify the three patterns, note the 'delta', the point where lines from three directions come together. The whorl has two deltas, the loop has one (see bottom-left), and the arch has no delta at all.

source: quora.com
image: sfis.ca.gov
Loops
Loops

General information on fingerprint science and identification. Types of fingerprint patterns including loops,, arches, and whorls. Information on the use of fingerprints as a means of identification

image: bianoti.com
Plain Arch
Plain Arch

The plain arch is the simplest of the fingerprint patterns to discern. Tented Arch---this pattern is similar to the plain arch in that it starts on one side of the finger and flows out in a similar pattern to the other side.

Tented Arch
Tented Arch

The tented arch and the arch comprise about 5% of fingerprint patterns found on the human finger tips and thumbs. The tented arch has a ‘tent pole’ thrusting up from the mound at the base in the middle of the print.

Ulnar Loops
Ulnar Loops

The ulna is on the same side as the little finger and the flow of the pattern in a ulnar loop runs in the direction of the ulna (toward the little finger). Radial Loop Ulnar Loop. Whorls are seen in about 25-35 % of fingerprint patterns encountered.

source: odec.ca
Whorls
Whorls

Whorls are seen in about 25-35 % of fingerprint patterns encountered. In a whorl, some of the ridges make a turn through at least one circuit. Any fingerprint pattern which contains 2 or more deltas will be a whorl pattern.

source: odec.ca

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