What is the Nasolabial Fold?
The nasolabial sulcus is composed of the maxillary process of the upper lip square muscle and the sacrum, and its position is from the sides of the nose to the sides of the mouth. The nasolabial sulcus is a body surface mark that separates the cheek and jaw. The nasolabial sulcus is formed by the interaction of powered and unmotivated tissue on the cheek. Many expressions of people, such as smiling and crying, are started by changing the shape of the nasolabial sulcus.
Nasolabial sulcus
Right!
- The nasolabial sulcus is composed of the maxillary process of the upper lip square muscle and the sacrum, and its position is from the sides of the nose to the sides of the mouth. The nasolabial sulcus is a body surface mark that separates the cheek and jaw. The nasolabial sulcus is formed by the interaction of powered and unmotivated tissue on the cheek. Many expressions of people, such as smiling and crying, are started by changing the shape of the nasolabial sulcus.