Labial commissure of mouth: Difference between revisions
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== Labial commissure of mouth == | |||
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File:Commissurebeforeandafter.jpg|Commissure before and after | |||
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Latest revision as of 00:23, 17 March 2025
Labial Commissure of Mouth
The Labial Commissure of Mouth is a term used in anatomy to describe the corners of the mouth where the upper and lower lips meet. It is an important feature of the human face and plays a significant role in facial expression, speech, and eating.
Etymology[edit]
The term "Labial Commissure" is derived from the Latin words "labium" meaning "lip" and "commissura" meaning "a joining together".
Anatomy[edit]
The Labial Commissure of Mouth is located at the junction of the upper and lower lips. It is formed by the meeting of the orbicularis oris muscle, a muscle that encircles the mouth. The Labial Commissure is not a fixed structure but rather a dynamic one, changing shape and position with facial expressions and movements of the mouth.
Function[edit]
The Labial Commissure of Mouth plays a crucial role in various functions such as speech, eating, and expressing emotions. It helps in the articulation of certain sounds during speech and aids in the process of mastication and swallowing during eating. The Labial Commissure also contributes to the display of various emotions through different facial expressions.
Related Terms[edit]
- Orbicularis oris muscle: The muscle that encircles the mouth and contributes to the formation of the Labial Commissure.
- Philtrum: The vertical groove in the middle area of the upper lip, directly below the septum of the nose.
- Cupid's bow: The double curve of a human upper lip, resembling the bow of Cupid, the Roman god of love.
