Thumb - Wikipedia In apes and Old World monkeys, the thumb can be rotated around its axis, but the extensive area of contact between the pulps of the thumb and index finger is a human characteristic
THUMB Definition Meaning - Merriam-Webster The meaning of THUMB is the short thick digit of the human hand that is analogous in position to the big toe and differs from the other fingers in having only two phalanges, allowing greater freedom of movement, and being opposable to each of them
Thumb | Muscles, Movement, Joints | Britannica thumb, short, thick first digit of the human hand and of the lower-primate hand and foot It differs from other digits in having only two phalanges (tubular bones of the fingers and toes) The thumb also differs in having much freedom of movement and being opposable to tips of other digits
Thumb - Structure, Function, Anatomy, Diagram, Significance The thumb, also known as the pollex, is a uniquely structured digit of the hand Its anatomy is distinct from the other fingers, allowing for specialized movements such as opposition
Thumb - definition of thumb by The Free Dictionary Define thumb thumb synonyms, thumb pronunciation, thumb translation, English dictionary definition of thumb n 1 a The short thick digit of the human hand, next to the index finger and opposable to each of the other four digits b A corresponding digit in other