Stylomandibular ligament

Stylomandibular Ligament

The Stylomandibular Ligament is a ligament in the human body that is part of the temporomandibular joint (TMJ). It is one of the three ligaments that support the TMJ, the other two being the sphenomandibular ligament and the capsular ligament.

Etymology

The term "Stylomandibular Ligament" is derived from its two points of attachment: the styloid process of the temporal bone and the mandible, or lower jawbone. The prefix "stylo-" comes from the Greek word "stylos", meaning "pillar", and "mandibular" is derived from the Latin "mandibula", meaning "jawbone".

Anatomy

The Stylomandibular Ligament extends from the tip of the styloid process of the temporal bone to the angle and posterior border of the ramus of the mandible. It is a thickened band of the cervical fascia, and is not directly associated with the articular capsule of the temporomandibular joint.

Function

The primary function of the Stylomandibular Ligament is to limit excessive movement of the jaw. It restricts protrusion and assists in side-to-side movement of the mandible.

Clinical Significance

In some cases, the Stylomandibular Ligament may become calcified, leading to a condition known as Eagle's syndrome. This can cause symptoms such as pain in the throat, difficulty swallowing, and a sensation of a foreign body in the throat.

Related Terms

• Temporomandibular joint
• Sphenomandibular ligament
• Capsular ligament
• Eagle's syndrome

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