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
TA A14.2.01.113
FMA 53365

Anatomical terms of neuroanatomy

The marginal mandibular branch of the facial nerve passes forward beneath the platysma and depressor anguli oris, supplying the muscles of the lower lip and chin, and communicating with the mental branch of the inferior alveolar nerve.

Muscles innervated

The marginal mandibular branch innervates the following muscles:[1]

Clinical significance

The marginal mandibular nerve may be injured during surgery in the neck region, especially during excision of the submandibular salivary gland or during neck dissections.

Additional images

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

  1. ↑ Drake, Richard (2010). Gray's Anatomy of students. Philadelphia: Churchill Livingstone elseveier. pp. 855–866. ISBN 978-0-443-06952-9.



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