Is the Thumb a Finger?
8. Deformities
While hands come in different shapes and sizes, they are still likely to differ to a degree from person to person. Some people will have longer fingers than others and some will find that their hands are wider. In some instances, however, the shapes of some peoples’ thumbs and hands can be quite different.
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Some hereditary conditions can cause a person’s thumb to grow misshapen. It might be curved to the point of being useless, while in some cases it might grow out of the hand at an unusual angle. Corrective surgery will often help but some people are left without a fully functioning thumb.
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