Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-fingerprinting-364f5613c709

What do loop pattern ridges do?

Enter one side, curve, and exit on that same side.

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  1. Rise in the center and exit the other side
  2. Enter one side, curve, and exit on that same side ✔
  3. Form circles around a central point

Why: Loop ridges enter from one side, form a curve, and exit on that same side.

Huh, didn't know that: Loop ridges enter from one side, form a curve, and exit on that same side.

The dad joke
That pattern really loops you in.
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References

Answer: Enter one side, curve, and exit on that same side. Loop ridges enter from one side, form a curve, and exit on that same side.

  1. Fingerprint en.wikipedia.org/wiki/Fingerprint
    Loop: The ridges enter from one side of a finger, form a curve, and then exit on that same side.
    Checked 2026-11-07.

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