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| ganglia | |
| What is it? | |
| plural Ganglia, dense aggregate of nerve-cell bodies present in most animals. A spinal ganglion is such a cluster of nerve bodies positioned along the spinal cord at the root of a spinal nerve. The dorsal root ganglia contain the cell bodies of afferent nerve fibers (those carrying impulses toward the central nervous system); efferent motor neurons are present in the ventral root ganglia. | |
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