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Definition Edit

Biometrics Edit

A plain arch is

[a] fingerprint pattern in which the ridges enter on one side of the impression and flow out the other with a rise or wave in the center. A plain arch does not have a defined up-thrust in the ridge flow at or near the point of highest curvature.[1]

References Edit

  1. NIST, EFS Training Tool for Latency Examiners (full-text)

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