Trigeminal motor nucleus
In this article, we will explore the fascinating world of Trigeminal motor nucleus, analyzing its impact on society and its relevance today. From its origins to its evolution today, Trigeminal motor nucleus has been the subject of study and debate in different areas, generating growing interest from academics, professionals and enthusiasts. Through a deep and detailed look, we will examine the various aspects related to Trigeminal motor nucleus, its influence on popular culture, its role in technological development and its importance in the global panorama. Likewise, we will address the different perspectives and opinions around Trigeminal motor nucleus, with the aim of offering a comprehensive and complete vision of this exciting topic.
| Trigeminal motor nucleus | |
|---|---|
 The cranial nerve nuclei schematically represented; dorsal view (posterior). Motor nuclei in red; sensory in blue. (Trigeminal nerve nuclei are at "V".) | |
| Details | |
| Identifiers | |
| Latin | nucleus motorius nervi trigemini |
| MeSH | D066266 |
| NeuroNames | 559 |
| NeuroLex ID | birnlex_1222 |
| TA98 | A14.1.05.410 |
| TA2 | 5940 |
| FMA | 54562 |
| Anatomical terms of neuroanatomy | |
The trigeminal motor nucleus contains motor neurons that innervate muscles of the first branchial arch, namely the muscles of mastication, the tensor tympani, tensor veli palatini, mylohyoid, and anterior belly of the digastric. It is situated in the upper pons, inferior to the lateral part of the floor of the fourth ventricle.
Lesion
The trigeminal motor nucleus forms the efferent pathway of the jaw jerk reflex. Since the axons involved in this reflex do not decussate, a lesion involving the trigeminal motor nucleus would cause ipsilateral hemiparesis.
References
- ^ Brainstem Nuclei of the Cranial Nerves at wustl.edu Archived 2007-04-13 at the Wayback Machine
- ^ Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). p. 478. ISBN 978-0-7295-3752-0.
External links
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