Mesencephalic nucleus of trigeminal nerve
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| Brain: Mesencephalic nucleus of trigeminal nerve | ||
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| The cranial nerve nuclei schematically represented; dorsal view. Motor nuclei in red; sensory in blue. (Trigeminal nerve nuclei are at "V".) | ||
| Latin | nucleus mesencephalicus nervi trigemini | |
| Gray's | subject #187 787 | |
| NeuroNames | hier-550 | |
| MeSH | Trigeminal+nuclei | |
| Dorlands/Elsevier | n_11/12581865 | |
The mesencephalic nucleus is involved with proprioception, that is, the feeling of position of the muscles. Unlike many nuclei within the CNS, the mesencephalic nucleus contains no chemical synapses but are electrically coupled (Baker and Llinas1971). Instead, neurons of this nucleus are pseudounipolar cells receiving proprioceptive information from the jaw, and sending projections to the motor trigeminal nucleus to mediate monosynaptic jaw reflexes.
Baker, R.G. and Llinas, R. Electrotonic coupling between neurones in the rat mesencephalic nucleus. J. Physiology 212: 45-63, 1971.
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
