Tegmental nucleus
(Redirected from Tegmental nuclei)
Tegmental nucleus | |
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Details | |
System | Central nervous system |
Identifiers | |
Latin | nucleus tegmentalis |
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TH | {{#property:P1694}} |
TE | {{#property:P1693}} |
FMA | {{#property:P1402}} |
Anatomical terms of neuroanatomy [[[d:Lua error in Module:Wikidata at line 865: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]] |
The tegmental nucleus is a group of neurons located in the brainstem. It plays a crucial role in various functions of the central nervous system, including motor control, sensory processing, and autonomic functions. The tegmental nucleus is divided into several subnuclei, each with distinct connections and functions.
Anatomy[edit | edit source]
The tegmental nucleus is situated within the tegmentum of the brainstem, which is a region that extends from the midbrain to the medulla oblongata. The tegmentum contains various nuclei and tracts that are essential for maintaining vital bodily functions.
Subnuclei[edit | edit source]
The tegmental nucleus is composed of several subnuclei, including:
- The pedunculopontine tegmental nucleus (PPTg)
- The laterodorsal tegmental nucleus (LDTg)
- The dorsal tegmental nucleus (DTg)
Each of these subnuclei has specific roles and connections within the brainstem and other parts of the central nervous system.
Functions[edit | edit source]
The tegmental nucleus is involved in a variety of functions, such as:
- Motor control: It plays a role in the coordination of voluntary movements.
- Sensory processing: It is involved in the processing of sensory information from different parts of the body.
- Autonomic functions: It helps regulate autonomic functions such as respiration and cardiovascular control.
Connections[edit | edit source]
The tegmental nucleus has extensive connections with other parts of the brain, including:
- The cerebral cortex
- The thalamus
- The hypothalamus
- The spinal cord
These connections allow the tegmental nucleus to integrate and relay information between different regions of the central nervous system.
Clinical Significance[edit | edit source]
Damage to the tegmental nucleus can result in various neurological disorders, including:
These conditions can lead to symptoms such as motor dysfunction, autonomic instability, and sensory deficits.
Related Pages[edit | edit source]
- Brainstem
- Tegmentum
- Pedunculopontine tegmental nucleus
- Laterodorsal tegmental nucleus
- Dorsal tegmental nucleus
- Central nervous system
- Motor control
- Sensory processing
- Autonomic functions
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Contributors: Prab R. Tumpati, MD