Ligamenta flava

Ligamenta Flava (also known as Yellow Ligaments) are a pair of short ligaments that connect the laminae of the vertebrae, from the axis to the sacrum. They are best seen from the interior of the vertebral canal. When looked at from the side, the ligamenta flava appear yellow, hence the name.

Anatomy

The ligamenta flava are composed of two layers: an anterior layer and a posterior layer. The anterior layer is thicker and more elastic, while the posterior layer is thinner and less elastic. The ligaments are attached to the laminae of the vertebrae and extend from the axis to the sacrum.

Function

The primary function of the ligamenta flava is to preserve the upright posture, and to assist the vertebral column in resuming it after flexion. They also help to limit the amount of flexion and rotation that can occur in the vertebral column.

Clinical Significance

In certain pathological conditions, such as spinal stenosis, the ligamenta flava can become thickened and hypertrophied. This can lead to compression of the spinal cord and nerve roots, resulting in symptoms such as pain, numbness, and weakness in the legs.

See Also

• Vertebral column
• Spinal stenosis
• Ligament

References

Ligamenta flava Resources
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