Ball of the thumb
Encyclopedia
Ball of the thumb may be:
- Thenar eminenceThenar eminenceThe thenar eminence refers to the group of muscles on the palm of the human hand at the base of the thumb...
, most fleshy portion of the palm of the human hand, located adjacent to the second joint of the thumb - Fleshy portion (opposite the nail), of the first segment (first phalange) of the human thumbThumbThe thumb is the first digit of the hand. When a person is standing in the medical anatomical position , the thumb is the lateral-most digit...