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( Spinal canal)
The spinal canal (or vertebral canal or spinal cavity) is the space in vertebrae through which the spinal cord passes. It is a process of the dorsal human body cavity. This canal is enclosed within the vertebral foramen of the vertebrae. In the intervertebral spaces, the canal is protected by the ligamentum flavum posteriorly and the posterior longitudinal ligament anteriorly. The outermost layer of the meninges, the dura mater, divides the spinal canal into epidural and subdural regions. The subdural space is filled with cerebrospinal fluid and contains the structures of the spinal cord enclosed by several additional membranes. The epidural space contains loose fatty tissue, and a network of large, thin-walled blood vessels called the epidural venous plexus. The spinal canal was first described by Jean Fernel. name="External_links" id="External_links">
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Spinal canal Subcategories
Spinal canal Articles
Sciatica - Understanding the Basics by Anne Wolski
Copyright 2006 Anne Wolski
Sciatica is a relatively common condition which is characterized by sharp pains in the leg and trouble moving. The most important thing to do when you are suffering from sciatica is to rest in bed but there are other ...
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