The dorsal root ganglion contains cell bodies of which neurons?

The dorsal root ganglion contains cell bodies of which neurons?

• A. Somatic multipolar motor neurons
• B. Autonomic multipolar motor neurons
• C. Sensory pseudounipolar neurons
• D. Interneurons

Answer: (C)

The dorsal root ganglion houses the cell bodies of primary sensory neurons. These neurons are pseudounipolar, meaning they have a single process that divides into a peripheral branch (to sensory receptors) and a central branch (to the spinal cord). This setup lets sensory information travel from the periphery into the CNS efficiently. Motor neurons, which control muscles, are multipolar and located in the ventral horn or autonomic ganglia, not in the dorsal root ganglion. Interneurons stay within the CNS. So, the cells in the dorsal root ganglion are sensory pseudounipolar neurons.

The dorsal root ganglion houses the cell bodies of primary sensory neurons. These neurons are pseudounipolar, meaning they have a single process that divides into a peripheral branch (to sensory receptors) and a central branch (to the spinal cord). This setup lets sensory information travel from the periphery into the CNS efficiently. Motor neurons, which control muscles, are multipolar and located in the ventral horn or autonomic ganglia, not in the dorsal root ganglion. Interneurons stay within the CNS. So, the cells in the dorsal root ganglion are sensory pseudounipolar neurons.