Marginal mandibular branch of the facial nerve
| Marginal mandibular branch of the facial nerve | |
|---|---|
Plan of the facial and intermediate nerves and their communication with other nerves. (Labeled at center bottom, second from bottom, as "Mandibular".) | |
The nerves of the scalp, face, and side of neck. | |
| Details | |
| From | Facial nerve |
| Identifiers | |
| Latin | ramus marginalis mandibularis nervi facialis |
| TA98 | A14.2.01.113 |
| TA2 | 6305 |
| FMA | 53365 |
| Anatomical terms of neuroanatomy | |
The marginal mandibular branch of the facial nerve arises from the facial nerve (CN VII) in the parotid gland at the parotid plexus. It passes anterior-ward deep to the platysma and depressor anguli oris muscles. It provides motor innervation to muscles of the lower lip and chin: the depressor labii inferioris muscle, depressor anguli oris muscle, and mentalis muscle. It communicates with the mental branch of the inferior alveolar nerve.