1, thumb mǔ zhǐ: One of the best fingers of human hand, the first finger, and the most flexible finger to move and take things.
2. Thumb knife mǔ zhǐ dāo: A portable knife with a short blade body and the function of closing and folding, which is usually used for small cutting operations in outdoor activities or daily life.
3. Thumb bone mǔ gǔ: One of the phalanges in the palm, it is the thickest and largest phalanx.
4. Thumb Guard M ǔ Heddai: A medical device used to fix or support the thumb, which is generally used to treat thumb injury or thumb joint pain.
5. Thumb mǔ zhǐ mǔ: Hand fixing equipment, which is used to treat patients with thumb injury or deformation diseases and promote thumb recovery.
6、? Inferior thumb nerve mǔ xià shén jīng: A major nerve in the human palm, which is responsible for controlling the movement and feeling of thumb, forefinger and middle finger.
7, thumb pain mǔ zhǐ tòng: refers to the pain on the thumb, which can be caused by many reasons, such as trauma, arthritis and so on.
8. Thumb ring mǔ zhǐ huán: A ring, an ornament worn on the thumb.
9. Thumb board mǔ zhǐ bǐ n: a musical performance tool worn on the thumb to help play.
10, thumb control m ǔ zh ǐ kngzh: A surgical operation that can correct thumb deformity, defect or disease, such as thumb valgus.
The origin of thumb
The word thumb can be traced back to Shuo Wen Jie Zi, which is a word with both sound and form. It consists of "you" on the left (for hand) and "wood" on the right (for tree). In ancient times, people often touched and supported trees with their hands, and the largest and thickest finger in the middle of the palm was also called "thumb". So the original meaning of the word "thumb" refers to the thumb in the palm of your hand. Later, the word "thumb" gradually developed, not only representing the thumb in the palm, but also extending to various items, actions and habits related to the thumb.