Basivertebral veins

Basivertebral veins are a network of veins located within the vertebral bodies. They are part of the vertebral venous plexus, a complex system of veins that drain the vertebral column and the contents of the spinal canal. The basivertebral veins are unique in that they are located within the bone itself, a feature that is not common among veins.

Etymology

The term "basivertebral" is derived from the Latin words "basis", meaning "base", and "vertebra", meaning "joint of the spine". Thus, "basivertebral" can be translated as "base of the spine".

Anatomy

The basivertebral veins originate from the anterior internal vertebral venous plexuses. They exit the vertebral bodies through the vertebral foramina, small openings in the vertebrae that allow for the passage of nerves and blood vessels. The basivertebral veins then drain into the azygos vein and hemiazygos vein, which in turn drain into the superior vena cava, the main vein that carries deoxygenated blood from the body back to the heart.

Function

The primary function of the basivertebral veins is to drain blood from the vertebral bodies. This is important for the maintenance of bone health, as it helps to remove waste products and deliver nutrients to the bone tissue.

Clinical significance

Due to their location within the vertebral bodies, the basivertebral veins can be affected by conditions that affect the spine, such as osteoporosis and vertebral compression fractures. In addition, they can serve as a route for the spread of infection or cancer from the vertebral bodies to other parts of the body.

See also

• Vertebral venous plexus
• Vertebral foramina
• Azygos vein
• Hemiazygos vein
• Superior vena cava

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  Gray's Anatomy illustration of basivertebral veins