Marginal mandibular branch, supplies the mandibular region.
下颌缘支,支配下颌区。
英语百科
Marginal mandibular branch of the facial nerve
(重定向自Mandibular branch)
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.