Identify the location of epidural space and what is in it?
Added by Nicholas R.
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The epidural space is located between the outermost layer of the meninges (the dura mater) and the inner surface of the vertebral canal. It surrounds the spinal cord and is present throughout the length of the spinal column. Show more…
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Figure 13.18 illustrates the internal anatomy of the spinal cord and the surrounding structures. One common method of delivering anesthesia for surgeries and childbirth is through the epidural space. Why is the epidural space preferred over the subarachnoid space for injecting the anesthetic agent? The anesthetic is injected into the epidural space instead of the subarachnoid space. During a procedure called lumbar puncture, CSF surrounding the meninges is withdrawn from between L3 and L5. Why do you think the fluid is withdrawn from this location and not from the spinal cord itself? (Hint: Think about the structure and location of the vertebral column.)
Adi S.
Madhur L.
Outside of the central nervous system, the cerebrospinal fluid is generally located between the surface of the brain or spinal cord and the pia mater in a subarachnoid space, between the pia mater and the arachnoid mater, and in the subdural space between the arachnoid mater and the dura mater in an epidural space external to the dura mater.
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