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.

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 …

THUMB definition: 1. the short, thick finger on the side of your hand that makes it possible to hold and pick things…. Learn more.

Trigger thumb, or stenosing tenosynovitis of the thumb, is a painful condition that creates a locking or catching feeling when you straighten or bend your thumb.

Sep 9, 2025 · Pain in your thumb can have several different causes. Some of the causes can be treated at home, with rest and over-the-counter pain medication while you wait for an injury to …

3 days ago · thumb (plural thumbs) The short thick digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers.

Dec 31, 2024 · 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.

The thumb is crucial to the overall function of the hand, with amputation leading to about 40% impairment. Because of value of thumb, reimplantation at any level is recommended.

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 …

Your thumb is the short thick part on the side of your hand next to your four fingers. She bit the tip of her left thumb, not looking at me.