Levator labii superioris
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.
| 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 | |
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