Answered

What is the pain of a herniated nucleus pulposus caused by?

A. Inflammation of the lamina of the involved vertebra
B. Shifting of two adjacent vertebral bodies out of alignment
C. Compression of the spinal cord by the extruded nucleus pulposus
D. Increased pressure of cerebrospinal fluid within the vertebral column



Answer :

GinnyAnswer

Final answer:

A herniated nucleus pulposus causes pain due to compression of the spinal nerve, resulting in discomfort and potential muscle weakness.


Explanation:

The pain of a herniated nucleus pulposus is caused by compression of the spinal nerve at the point where it exits through the intervertebral foramen due to the protrusion of the nucleus pulposus through the weakened anulus fibrosus. This compression results in pain and/or muscle weakness in the body regions supplied by that nerve. For example, herniation in the L4/L5 or L5/S1 discs can lead to sciatica.


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