The vein patterns of suspected retail thieves could be stored.

But a person's vein pattern, he said, is virtually impossible to copy.

Fingerprints form exact images, but vein patterns are much coarser.

Although a set of fingerprints can determine a person's identity, a vein pattern can merely confirm that a person is who he or she claims to be.

Using a holly leaf cookie cutter or a paring knife, cut holly shapes and incise vein patterns.

Pipe chocolate onto cookies in vein patterns.

Upper face is wrinkled, with a net-like vein pattern.

The leaf underside is whitish with a reticulated vein pattern and a raised central midrib.

This is an extra difficulty as the vein pattern differs.

Their wings can have the same vein patterns as leaves, and they often have little brown spots just like the ones that might be found on a leaf.