If a person has a pair of beautiful dimples, it is always enviable. After all, with a pair of dimples, to others, that person's smile makes them look a little sweeter. Some people even go for surgery in order to have a pair of dimples, which shows how popular dimples are among the public. So where did the dimples come from? Let’s take a look at the encyclopedia of physiognomy together!

When we "smile" when we make expressions, if the muscles of the face affect each other and create a depression, that is a "dimple". However, some people call it "Laughing Nest", or it has another name "Pear Nest" due to its different location and size. Not everyone has dimples, and people with dimples may have different shapes, heights, and depths.

Broken down, dimples are located about 2-2.7 cm from the upper and outer corners of the mouth. There are two types of dimples: round and linear. Generally, the dimples are most visible when making a smiling expression. There is another pit on the face, called the pear pit. The pear fossa is located about 1 centimeter below and outside the corner of the mouth. The pear fossa is smaller and less clear than the dimple. Dimple formation is mostly genetic. If you also want it, you can go for plastic surgery.

Dimples, also known as smile dimples, are a traditional symbol of oriental beauty. Needless to say, the ancients praised and appreciated them. Even in modern times when beauties are everywhere, dimpled beauties are still the object of attraction for many people.

Dimples can be divided into three types: round, oval and cleft. Some scholars have conducted surveys and found that most of them are located on the cheeks, and are also more common around the corners of the mouth, with relatively few on the zygomatic and chin areas. The occurrence rate of natural dimples among Eastern peoples is 1:18, with one dimple accounting for 34.2%, two dimples accounting for 59%, three dimples accounting for 5.6%, and four dimples accounting for 5.2%. 59.6% of cases have one dimple on the left cheek, and most of them have two dimples, and most of them appear on the cheek, and most cases are asymmetrical on both sides.

Cause of formation: Dimples are formed by muscle activity under the skin. Most muscles in the human body are firmly attached to bones by tendon fibers, such as chest muscles and lower limb muscles. The facial expressive muscles are an exception. They are directly attached to the facial skin. When the expressive muscles contract, they will affect the facial skin, causing various wrinkles on the face, producing expressions of joy, anger, sadness, and joy. The two small dimples on a smiling face are formed by the relative interaction between facial skin and facial expression muscles such as buccinator muscles and smile muscles.

Whether you have dimples or not is related to the development of your facial muscles. People with less full smile muscles and less facial subcutaneous fat will generally not have dimples when they smile. In fact, dimples can also be created through surgery.

Some people’s dimples are dominantly inherited.

Dominant inheritance means that as long as there is one dominant gene in a pair of genes, the traits determined by it will be expressed without being paired. For example, beauty points and double eyelids are dominant inheritance. In fact, it can also be done the day after tomorrow through surgery.

The 10 most common pairs of traits controlled by single genes in humans: having or not having earlobes; rolling tongue and not being able to roll it; hairline with and without beauty tip; thumbs that can and cannot bend toward the back. The back is curved; the index finger is longer than the ring finger and shorter than the ring finger; the right thumb is on top and the left thumb is on top when the left and right hands are combined; double eyelids vs. single eyelids; dimples vs. no dimples; normal feet vs. flat feet; normal color vision vs. color blindness; albinism and skin normal.

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