Kosketusjälkien
Kosketusjälkien, a Finnish term, translates to "fingerprints" or "touch marks" in English. This concept refers to the unique patterns left behind by the friction ridges of a person's skin when they touch a surface. These patterns are formed by the raised areas, known as ridges, and the valleys between them on the surface of the fingers, palms, and soles of the feet. The primary characteristic of these patterns is their individuality; no two individuals have been found to have the exact same set of fingerprints.
The formation of kosketusjälkien is a result of the way skin interacts with a surface. When pressure
In forensic science, kosketusjälkien play a crucial role in identification. They are considered highly reliable evidence