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The Trigeminal Sensory System and Orofacial Pain
Hyung Kyu Kim1,2, Ki-Myung Chung3, Juping Xing1
1Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea.
International Journal of Molecular Sciences
|October 26, 2024
Summary
Understanding the trigeminal sensory system, including its nuclei and synaptic transmission, is key to comprehending orofacial pain mechanisms. This review details the system
Area of Science:
- Neuroscience
- Anatomy
- Pain Research
Background:
- The trigeminal sensory system is crucial for processing orofacial sensory information.
- It comprises the trigeminal nerve, ganglion, and multiple nuclei.
- Understanding this system is vital for addressing orofacial pain.
Purpose of the Study:
- To elucidate the nuclei of the trigeminal sensory system and their synaptic transmission.
- To discuss the relationship between four types of orofacial pain and the trigeminal system.
- To enhance comprehension of orofacial pain mechanisms.
Main Methods:
- Literature review of the trigeminal sensory system.
- Analysis of synaptic transmission within trigeminal nuclei.
- Correlation of orofacial pain types with system anatomy and function.
Main Results:
- Detailed description of the trigeminal nerve, ganglion, and sensory nuclei (mesencephalic, principal, spinal trigeminal).
- Explanation of sensory signal processing and relay within the system.
- Identification of links between specific orofacial pain conditions and trigeminal system components.
Conclusions:
- The trigeminal sensory system's structure and function are fundamental to orofacial sensation.
- Dysfunction or aberrant signaling within this system contributes to orofacial pain.
- Further understanding of the trigeminal system offers therapeutic targets for orofacial pain management.
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