marginal mandibular branch of facial nerve


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mar·gi·nal man·dib·u·lar branch of fa·cial nerve

[TA]
branch of parotid plexus of facial nerve that parallels the mandibular margin innervating the risorius muscle and muscles of lower lip and chin.
References in periodicals archive ?
One patient with a large type-III tumor had injury to marginal mandibular branch of facial nerve which did not improve postoperatively.
The Marginal Mandibular branch of Facial Nerve was traced forwards from the lower border of the Parotid Gland to the depressor anguli oris.