Levator labii superioris
| Levator labii superioris | |
|---|---|
| Muscles of the head, face, and neck. | |
| Details | |
| Origin | Medial infra-orbital margin | 
| Insertion | Skin and muscle of the upper lip (labii superioris) | 
| Artery | Facial artery | 
| Nerve | Buccal branch of the facial nerve (C.N. VII) | 
| Actions | Elevates the upper lip | 
| Identifiers | |
| Latin | musculus levator labii superioris | 
| TA98 | A04.1.03.031 | 
| TA2 | 2081 | 
| FMA | 46805 | 
| Anatomical terms of muscle | |
The levator labii superioris (pl.: levatores labii superioris, also called quadratus labii superioris, pl.: quadrati labii superioris) is a muscle of the human body used in facial expression. It is a broad sheet, the origin of which extends from the side of the nose to the zygomatic bone.