stylomandibular ligament
The stylomandibular ligament is one of the two extrinsic ligaments of the mandible, the other being the sphenomandibular ligament.
It is a cord-like condensation of the deep cervical fascia that extends from the apex of the styloid process of the temporal bone to the angle of the mandible. Its main function is to limit excessive anterior translation of the temporomandibular joint, thereby limiting mouth opening. It also acts as an origin of some of styloglossus fibers.
Relations
The ligament separates the masseter and parotid gland laterally and medial pterygoid muscle medially.
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