Card 3 / 26: The spinal nerves consist of ventral and dorsal roots. Where are the cell bodies of the axons in each root?
A.)
Ventral and dorsal root cell bodies are in ganglia, (clusters of cell bodies outside the CNS).
B.)
Ventral and dorsal root cell bodies are in the gray matter of the cord.
C.)
Ventral root cell bodies are in the gray matter of the spinal cord and dorsal root cell bodies are in ganglia.
D.)
Ventral root cell bodies are in ganglia and dorsal root cell bodies are in the gray matter of the spinal cord.
Answer:
C.) Ventral root cell bodies are in the gray matter of the spinal cord and dorsal root cell bodies are in ganglia.
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Astrocytes and oligodendrocytes are glial cells found in white and gray matter. The cell bodies of neurons and astrocytes are most common in the gray matter. The white matter is mostly axons. The nuclei of the cells shown here in the white matter are those of oligodendrocytes.
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Ch 04: Spinal Cord General Anatomy & Brain Stem
Author:
M.D.Stephen VoronLecturer
University of Utah
USA
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