In fingerprint terminology, radial refers to which side of the hand?

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Multiple Choice

In fingerprint terminology, radial refers to which side of the hand?

Explanation:
Radial describes the side of the hand toward the radius bone, which is the thumb side. In anatomy, the radius is on the thumb side, so radial means the thumb side of the hand, while the opposite side near the little finger is called the ulnar side. The back of the hand and the palm surface are different descriptors (dorsal and palmar), not the radial/ulnar orientation. So the thumb side is the radial side.

Radial describes the side of the hand toward the radius bone, which is the thumb side. In anatomy, the radius is on the thumb side, so radial means the thumb side of the hand, while the opposite side near the little finger is called the ulnar side. The back of the hand and the palm surface are different descriptors (dorsal and palmar), not the radial/ulnar orientation. So the thumb side is the radial side.

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