Asked by Matthew Eldridge on Sep 23, 2024
Verified
Which of the following is NOT true of the white matter of the spinal cord?
A) The white matter surrounds the gray matter in the spinal cord.
B) The white matter is located in columns.
C) The ascending tracts of the white matter contain motor neurons.
D) Some of the white matter tracts decussate to the opposite side, either in the spinal cord or in the brainstem.
E) All of these are true of the white matter of the spinal cord.
White Matter
The pale-colored part of the central nervous system that is composed of myelinated nerve fibers.
Ascending Tracts
Nerve pathways that go upward in the spinal cord and brainstem, conveying sensory information from the body to the brain.
Decussate
To cross or intersect so as to form an X; often refers to neural pathways in the central nervous system.
- Grasp the anatomical and functional aspects of the spinal cord’s white and gray matter, understanding their implications for spinal nerve function.
Verified Answer
AH
Abrar Hassan3 days ago
Final Answer :
C
Explanation :
The ascending tracts of the white matter contain sensory neurons, not motor neurons. Motor neurons are found in the descending tracts of the white matter.
Learning Objectives
- Grasp the anatomical and functional aspects of the spinal cord’s white and gray matter, understanding their implications for spinal nerve function.