9. Skin Lines Interruption – A Microscopic Clue
Under a magnifying glass or microscope, one can observe that warts often disrupt the natural skin lines.
The growth of the wart causes the skin to stretch and change, which can interrupt the flow of skin lines or fingerprints.
Dermatologists sometimes use this feature as a diagnostic criterion, especially in ambiguous cases where the wart’s appearance might not be typical. (9)