What is dorsum of the thumb?

The thumb is called a thumb instead of a finger because it is smaller than a finger. A thumb also has 2 joints and a finger has 3.

The word thumb comes, via Old English, from the Proto-Germanic word tûmon meaning "thick" or "stout". So a thumb was called "tumon" because it was the thickest, stoutest finger. This, over the...

Pick pineapples. They contain a chemical called bromelain which will eventually get rid of a person's fingerprints. Or thumbprints.

I have clubbed thumbs. We do not know much about them, but from what research shows, it means you have a royal bloodline. It is believed that it is a genetic dysfunction from inbreeding centuries ago...

Without thumbs, we couldn't grab things and the world would go into chaos.