Central tegmental tract: Difference between revisions
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==External links== |
==External links== |
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* http://isc.temple.edu/neuroanatomy/lab/atlas/micn/ |
* http://isc.temple.edu/neuroanatomy/lab/atlas/micn/ |
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* http://isc.temple.edu/neuroanatomy/lab/atlas/mptmn/ |
* https://web.archive.org/web/20081224022105/http://isc.temple.edu:80/neuroanatomy/lab/atlas/mptmn/ |
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* http://faculty.une.edu/com/fwillard/pages/plate12.htm |
* http://faculty.une.edu/com/fwillard/pages/plate12.htm |
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Revision as of 11:13, 18 November 2016
| Central tegmental tract | |
|---|---|
 Diagram of the midbrain, sectioned at the level of the superior colliculus (Central tegmental tract not labeled, but region is visible.) | |
 Axial section of the Brainstem (Pons) at the level of the Facial Colliculus (Central tegmental tract not labeled, but region is visible.) | |
| Details | |
| Identifiers | |
| Latin | Tractus tegmentalis centralis |
| NeuroNames | 2204 |
| TA98 | A14.1.05.325 |
| TA2 | 5869 |
| FMA | 83850 |
| Anatomical terms of neuroanatomy | |
The central tegmental tract[1] is a structure in the midbrain and pons.
- The central tegmental tract includes ascending axonal fibers that arise from the rostral nucleus solitarius and terminate in the ventral posteromedial nucleus (VPM) of thalamus. Information from the thalamus will go to cortical taste area, namely the insula and frontal operculum.
- It also contains descending axonal fibers from the parvocellular red nucleus. The descending axons will project to the inferior olivary nucleus. This latter pathway (the rubro-olivary tract) will be used to connect the contralateral cerebellum.
Lesion of the tract can cause palatal myoclonus, e.g. in myoclonic syndrome, itself a symptom of medial superior pontine syndrome: a form of stroke affecting the paramedian branches of the upper basilar artery.
Additional Images
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Horizontal section through the lower part of the pons. The central tegmental tract is labeled #16.
References
- ^ Kamali A, Kramer LA, Butler IJ, Hasan KM. Diffusion tensor tractography of the somatosensory system in the human brainstem: initial findings using high isotropic spatial resolution at 3.0 T. Eur Radiol. 2009 19:1480-8. doi: 10.1007/s00330-009-1305-x. PMID 19189108