What gives fingerprints their unique characteristics

Fingerprint ridge patterns

The fingerprints are made of unique pattern of ridges, each of which contains pores, that are linked to sweat glands beneath the skin. All these ridges of fingerprints form a pattern called as arches, loops and whorls.

The loops start from one side and exit on the other side. The whorls form a circular or spiral pattern while the arches slope up or down.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]