Cruciate ligament of atlas

Cruciate Ligament of Atlas

Illustration of the Cruciate Ligament of Atlas

The Cruciate Ligament of Atlas is a crucial part of the human anatomy, specifically within the vertebral column. It is a strong band of fibrous tissue that connects the atlas, the first cervical vertebra, to the dens, a part of the second cervical vertebra.

Structure

The Cruciate Ligament of Atlas consists of two parts: the transverse ligament and the vertical ligament. The transverse ligament of atlas holds the dens in place, while the vertical ligament extends from the dens to the foramen magnum, the large opening at the base of the skull.

Function

The primary function of the Cruciate Ligament of Atlas is to stabilize the position of the atlas and the dens. This allows for the rotation of the head without causing damage to the spinal cord.

Clinical Significance

Damage to the Cruciate Ligament of Atlas can lead to atlantoaxial instability, a condition that can cause severe neck pain and neurological deficits. This is often caused by trauma, rheumatoid arthritis, or congenital abnormalities.

See Also

• Ligament
• Atlas (anatomy)
• Dens (anatomy)