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Vocabulary

  • Arch pattern: the ridges of the fingerprint that enter from one side, make a rise in the center and exit on the opposite side of the print, having the appearance of a capital letter “A”
  • Dactyloscopy: the study of using fingerprints to identify someone
  • Fingerprint: the impressions of lines and patterns made by a person’s fingertip
  • Loop pattern: ridges of the fingerprint that enter from the left or the right, re-curve and pass out the same side they entered, appearing somewhat like a rounded knob
  • Ridge pattern: the wavy pattern produced by the cells growing on your fingertips; this ridge pattern causes fingerprints, which are unique to every person
  • Ten Card: a form containing fingerprints of all five fingers from the left hand and the fingerprints of all five fingers from the right hand
  • Whorl pattern: the ridges of the fingerprint that are circular and look like a bull’s-eye target