Fingerprint patterns and minutiae
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Most common fingerprint pattern (65%)
loop
Ulnar loop
opens toward the pinky
Radial loop
opens toward the thumb
Plain Arch
ridges enter on one side and exit on the other side
Tented arch
similar to the plain arch, but has a spike in the center
Core (Fingerprint)
a center of a loop or whorl
delta (fingerprint)
a triangular ridge pattern with ridges that go in different directions above and below a triangle
The fingerprint pattern accounting for only 5% of all known patterns is the:
arch