Epidural Anatomy

Anatomy of the epidural space vertebral column. Caudally by sacrococcygeal ligament.

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The cerebrospinal fluid that surrounds the spinal cord is contained by the arachnoid mater.

Epidural anatomy. There are 24 individual vertebrae. The subdural compartment is formed by flat neuroepithelial cells that have long interlacing branches. The epidural space is the potential space between periosteum lining the vertebral canal and the spinal dura mater.

The epidural space contains fat epidural veins spinal nerve roots and connective tissue figure 6b the subdural space is a potential space between the dura and the arachnoid and contains a serous fluid. It lies inside the canal but outside the cord. In contact with the inner surface of the dura is another membrane called the arachnoid mater arachnoid.

The epidural space is an area of spinal anatomy that is located between the vertebral canal and the spinal cord. Seven cervical 12 thoracic and five lumbar. The epidural space is the space inside the bony spinal canal but just outside the dura mater dura.

Basic anatomy and physiology of central nervous system applicable to epidural and spinal anesthesia is not complicated. The five fused sacral vertebrae and the coccyx made up of 35 rudimentary vertebrae are not always classed as being a part of the vertebral column. Brain is enclosed within the scull while spinal cord a sausage like structure is enclosed within the spine.

Boundaries cranially by foramen magnum. Central nervous system consists of brain and spinal cord. Vertebral anatomy varies according to each level.

It extends from the foramen magnum to the sacral hiatus and surrounds the dura mater anteriorly laterally and posteriorly 5.

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