Apical ligament of dens

Apical Ligament of Dens The Apical Ligament of Dens is a small ligament located in the upper part of the human spine. It is a crucial part of the axial skeleton, specifically the vertebral column, and plays a significant role in the movement and stability of the neck.

Anatomy

The Apical Ligament of Dens is a fibrous cord that extends from the tip of the dens or odontoid process, a tooth-like projection from the second cervical vertebra, to the anterior margin of the foramen magnum, the large opening at the base of the skull. It is the remnant of the notochord, a rod-like structure in the embryonic stage that forms the primitive axis of the body.

Function

The primary function of the Apical Ligament of Dens is to limit the amount of rotation and movement of the head and neck. It also helps to hold the dens in place, preventing it from shifting or moving excessively.

Clinical Significance

Damage or injury to the Apical Ligament of Dens can lead to instability in the neck, which can cause pain and limit movement. Conditions such as Rheumatoid arthritis can also affect the ligament, leading to inflammation and potential damage.

See Also

• Alar ligament
• Transverse ligament of atlas

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