The cell bodies for somatosensory receptors from the body are located in what structure? the dorsal horn O the dorsal root ganglion the dorsal column the medial lemniscus

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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### Understanding Somatosensory Receptors

#### Question:
The cell bodies for somatosensory receptors from the body are located in what structure?

#### Multiple Choice Options:
- ○ the dorsal horn
- ○ the dorsal root ganglion
- ○ the dorsal column
- ○ the medial lemniscus

#### Explanation:

This question aims to test the knowledge of students regarding the anatomical location of somatosensory receptor cell bodies. It is critical for students studying neuroanatomy or neuroscience to understand the pathway of sensory information from the periphery to the brain. 

1. **The Dorsal Horn**:
    - The dorsal horn is a region in the spinal cord where sensory neurons synapse; however, it does not contain the cell bodies of these neurons.

2. **The Dorsal Root Ganglion**:
    - This is the correct answer. The dorsal root ganglion (DRG) contains the cell bodies of sensory neurons that carry information from the body's periphery to the spinal cord.

3. **The Dorsal Column**:
    - The dorsal column is part of the spinal cord that contains the ascending tracts of sensory neurons, transmitting sensory information to the brain but not the location of cell bodies.

4. **The Medial Lemniscus**:
    - This is a sensory pathway in the brainstem, involved in transmitting proprioceptive and fine touch information to the thalamus, but it does not contain the cell bodies of these neurons.

Understanding this concept is essential for comprehending how sensory information is transmitted and processed within the nervous system. The dorsal root ganglion houses the sensory neuron's cell bodies, crucially located just outside the spinal cord, acting as a critical anatomical landmark in sensory pathways.
Transcribed Image Text:### Understanding Somatosensory Receptors #### Question: The cell bodies for somatosensory receptors from the body are located in what structure? #### Multiple Choice Options: - ○ the dorsal horn - ○ the dorsal root ganglion - ○ the dorsal column - ○ the medial lemniscus #### Explanation: This question aims to test the knowledge of students regarding the anatomical location of somatosensory receptor cell bodies. It is critical for students studying neuroanatomy or neuroscience to understand the pathway of sensory information from the periphery to the brain. 1. **The Dorsal Horn**: - The dorsal horn is a region in the spinal cord where sensory neurons synapse; however, it does not contain the cell bodies of these neurons. 2. **The Dorsal Root Ganglion**: - This is the correct answer. The dorsal root ganglion (DRG) contains the cell bodies of sensory neurons that carry information from the body's periphery to the spinal cord. 3. **The Dorsal Column**: - The dorsal column is part of the spinal cord that contains the ascending tracts of sensory neurons, transmitting sensory information to the brain but not the location of cell bodies. 4. **The Medial Lemniscus**: - This is a sensory pathway in the brainstem, involved in transmitting proprioceptive and fine touch information to the thalamus, but it does not contain the cell bodies of these neurons. Understanding this concept is essential for comprehending how sensory information is transmitted and processed within the nervous system. The dorsal root ganglion houses the sensory neuron's cell bodies, crucially located just outside the spinal cord, acting as a critical anatomical landmark in sensory pathways.
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