The lips, both upper and lower, contain several key components: mucosal membrane, vermilion, and cutaneous surfaces.
Here’s a more detailed breakdown:
Components of the Lips
| Component | Description |
|---|---|
| Mucosal Membrane | This is the inner lining of the lips, a moist tissue similar to what you find inside your mouth. |
| Vermilion | This is the red part of the lip, where the skin transitions from the outer face to the inner mucosa, giving the lips their distinct color. |
| Cutaneous Surfaces | These are the outer skin layers that extend from the facial skin onto the lips. |
Additional Insights
- Labium Superius Oris: This is the medical term for the upper lip.
- Labium Inferius Oris: This is the medical term for the lower lip.
- The vermillion border is particularly sensitive due to its rich supply of nerve endings.
