Multiple Choice
Which structure of the spinal cord contains the cell bodies of sensory neurons?
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12. The Central Nervous System
Introduction to the Central Nervous System
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Which of the following is primarily contained within the epidural space of the vertebral column?
A
Dura mater
B
Gray matter
C
Cerebrospinal fluid
D
Adipose tissue and blood vessels
Verified step by step guidance1
Understand the anatomy of the vertebral column: The vertebral column is composed of several layers, including the spinal cord, meninges (dura mater, arachnoid mater, and pia mater), and spaces such as the epidural space and subarachnoid space.
Define the epidural space: The epidural space is the area between the dura mater (the outermost meningeal layer) and the walls of the vertebral canal. It is located outside the dura mater and does not contain cerebrospinal fluid (CSF).
Identify the contents of the epidural space: The epidural space primarily contains adipose tissue (fat) and blood vessels, which provide cushioning and support to the spinal cord and surrounding structures.
Eliminate incorrect options: The dura mater is a meningeal layer, not a content of the epidural space. Gray matter is part of the spinal cord, and cerebrospinal fluid is found in the subarachnoid space, not the epidural space.
Conclude the correct answer: Based on the anatomy and contents of the epidural space, the correct answer is 'Adipose tissue and blood vessels.'
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