MinuteEarth

Why Are Your Fingerprints Unique?


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To learn more about this topic, start your googling with these keywords:

  • Fingerprint: The markings on the skin on the last joint of the thumb or finger.
  • Fingerprint Ridges: The raised lines on the fingerprint.
  • Fingerprint Pattern: The main design in the middle of the fingerprint; usually a loop, whorl, or arch.
  • Volar Pad: The mass of stem cells that grows under the fingers during a particular time during fetal development that is responsible for determining the pattern of the fingerprint.
  • Fingerprint Minutiae: The various tiny points in each fingertip where the ridgelines get blocked or split.
  • Compound Probability: The likelihood that independent events will occur simultaneously.

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