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Multiple Choice
Which of the following is primarily contained within the epidural space of the vertebral column?
A
Cerebrospinal fluid
B
Dura mater
C
Adipose tissue and blood vessels
D
Gray matter
Verified step by step guidance
1
Understand the anatomy of the vertebral column: The vertebral column is divided into several spaces, including the epidural space, subdural space, and subarachnoid space. Each space contains specific structures or substances.
Define the epidural space: The epidural space is located between the dura mater (the outermost meningeal layer) and the walls of the vertebral canal. It is a potential space that serves as a cushion for the spinal cord.
Identify the contents of the epidural space: The epidural space primarily contains adipose tissue (fat) and blood vessels. These structures provide cushioning and support to the spinal cord and surrounding tissues.
Clarify what is NOT found in the epidural space: Cerebrospinal fluid (CSF) is found in the subarachnoid space, not the epidural space. Gray matter is part of the spinal cord itself, and the dura mater is a protective membrane that lies adjacent to the epidural space.
Conclude the correct answer: Based on the anatomical description, the epidural space primarily contains adipose tissue and blood vessels, which is the correct answer to the question.