Dimple

Dimple is a small natural indentation in the flesh on a part of the human body, most notably in the cheek or on the chin.

Definition

A dimple is a small, natural indentation in the flesh on a part of the human body, most notably in the cheek or on the chin. These indentations can occur on many different parts of the body, including the shoulders, elbows, and knees. Dimples are usually considered a dominant genetic trait, which means that one parent must have dimples in order for a child to inherit them.

Causes

Dimples are caused by variations in the structure of the facial muscle known as the zygomaticus major. Specifically, they are the result of a short or divided muscle pulling on the skin above it when it contracts, creating a small depression. This muscle is also responsible for the contours of the face during smiling.

Types of Dimples

There are two main types of dimples: cheek dimples and chin dimples.

Cheek Dimples

Cheek dimples are usually visible when a person is smiling, and they are generally located on the bottom of the cheeks. They can occur on one or both sides of the face.

Chin Dimples

Chin dimples, also known as cleft chins, are caused by an underlying cleft in the bone of the chin. This type of dimple is usually more noticeable and can be seen even when a person is not smiling.

Genetics of Dimples

Dimples are generally considered a genetic trait, meaning they are inherited from one's parents. However, the exact inheritance pattern is not clear. Some researchers believe that dimples are a dominant trait, which means that a child only needs to inherit the gene for dimples from one parent to have them. Others believe that dimples are a polygenic trait, influenced by multiple genes.

Cultural Significance

In many cultures, dimples are considered a sign of beauty and youth. They are often associated with positive qualities such as happiness and charm.

See Also

• Genetics
• Facial features
• Zygomaticus major

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