Stylomandibular ligament

The stylomandibular ligament is the thickened posterior portion of the investing cervical fascia around the neck. It extends from near the apex of the styloid process of the temporal bone to the angle and posterior border of the angle of the mandible, between the masseter muscle and medial pterygoid muscle. The stylomandibular ligament limits mandibular movements, such as preventing excessive opening.

Stylomandibular ligament
Articulation of the mandible. Medial aspect. (Stylomandibular lig. labeled at center left.)
Muscles of the pharynx, viewed from behind, together with the associated vessels and nerves. (Styl. mand. lig. labeled at center left.)
Details
System	skeletal
From	styloid process (temporal)
To	ramus of the mandible
Identifiers
Latin	ligamentum stylomandibulare
TA98	A03.1.07.008
TA2	1569
FMA	57083
Anatomical terminology [edit on Wikidata]

Structure

The stylomandibular ligament extends from near the apex of the styloid process of the temporal bone to the angle and posterior border of the angle of the mandible, between the masseter muscle and medial pterygoid muscle. From its deep surface, some fibers of the styloglossus muscle originate. Although classed among the ligaments of the temporomandibular joint, it can only be considered as accessory to it.

Function

The stylomandibular ligament, along with the sphenomandibular ligament, limits mandibular movements, such as preventing excessive opening.^[1]

Clinical significance

The stylomandibular ligament is important for maintaining stability of the mandible after maxillofacial surgery.^[1]