Linked from

The 5 pages that link to Thumb, each with the reason it gives.

• FingerCompared with: Its structure and opposability distinguish it from the four fingers.

• Ring fingerCompared with: Its opposability gives it a role distinct from the ring finger.

• Little fingerCompared with: Unlike the little finger, the thumb sits across the palm and enables opposition.

• Index fingerCompared with: Its opposition to the index finger enables pinch and precision grip.