Epidural Space Spinal Cord
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In different people the size of the epidural space can vary.
Epidural space spinal cord. In anatomy the epidural space is the potential space between the two layers of the dura mater the outermost meningeal layer that covers the brain and spinal cord. The epidural space is the area between the outermost layer of tissue and the inside surface of bone in which the spinal cord is contained i e the inside surface of the spinal canal. This part of the spinal anatomy consists of the area between the dura mater the tough fibrous tissue that surrounds the spinal cord and cerebrospinal fluid and the lining of the vertebral canal. The epidural space protects the spinal cord from injury.
The epidural space runs the length of the spine. Epidural space neuraxial anesthesia. The dura mater contains the arachnoid mater.
Transforaminal epidural injections sometimes called selective nerve root blocks are performed by entering the epidural space through the opening through which the nerve root which branches from the spinal cord exits. Cervical epidural nerve block. The epidural space is the most common site of metastases producing injury to the spinal cord. 1 4 the incidence is 5 to 10 and up to 40 in patients with pre existing nonspinal bone metastases.
1 2 the anatomy term epidural space has its origin in the ancient greek language. The other two spaces are in the spinal cord itself. 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. The epidural space sometimes called the extradural space is a part of the human spine inside the spinal canal separated from the spinal cord and its surrounding cerebrospinal fluid by the dura mater.
The epidural space fig. The spinal canal enclosed within these structures is also known as the epidural space apart from the central portion occupied by the dural sac and its contents. It is typically 4 6 mm in depth 4. The subdural compartment is formed by flat neuroepithelial cells that have long interlacing branches.
The spinal epidural space is located in the spinal canal between the spinal dura mater and the vertebral column and extends from the foramen magnum to the sacral hiatus. The epidural space is entered when a needle passes through the ligamentum flavum.
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