Mentum

Mentum

The Mentum is a term used in Anatomy to refer to the chin area of the human body. It is derived from the Latin word 'mentum', which translates to 'chin'. The mentum is a prominent feature of the face, located in the anterior most portion of the mandible.

Structure

The mentum is the forward projecting part of the mandible, also known as the lower jaw. It is formed by the fusion of the two mandibular symphyses, which meet at the midline of the body. The point of fusion is often marked by a slight ridge, known as the mental protuberance.

Function

The mentum serves several functions. It provides support for the lower lip and assists in the opening and closing of the mouth. It also plays a role in facial expressions, speech, and mastication (chewing).

Clinical significance

Abnormalities or injuries to the mentum can have significant effects on a person's ability to speak, eat, and express emotions. Conditions such as micrognathia (a smaller than normal lower jaw) and prognathism (an extended lower jaw) can affect the shape and function of the mentum.

See also

• Mandible
• Human face
• Mandibular symphysis
• Mental protuberance