Tegmental
Tegmental
Tegmental (pronunciation: teɡˈmen(t)l) is a term used in neuroanatomy to refer to a region of the brainstem. The term is derived from the Latin word 'tegmen' which means 'covering'.
Anatomy
The tegmentum is a part of the midbrain that is involved in many sensory and motor system tasks. It is located between the ventricular system and the basal ganglia. The tegmental region contains a variety of different structures, including the periaqueductal gray, red nucleus, and the reticular formation.
Function
The tegmental region plays a crucial role in many important functions of the body. It is involved in the regulation of motor functions, sensory systems, and the control of consciousness and alertness. The reticular formation within the tegmentum, for example, plays a key role in maintaining consciousness and alertness.
Clinical significance
Damage to the tegmental region can lead to a variety of neurological disorders. For example, lesions in this area can cause Parkinson's disease, a neurodegenerative disorder characterized by motor symptoms such as tremors, rigidity, and bradykinesia.
Related terms
- Tegmentum: The main part of the tegmental region.
- Periaqueductal gray: A part of the tegmentum involved in pain modulation.
- Red nucleus: A structure within the tegmentum involved in motor coordination.
- Reticular formation: A set of interconnected nuclei within the tegmentum that are involved in maintaining consciousness and alertness.
See also
External links
- Medical encyclopedia article on Tegmental
- Wikipedia's article - Tegmental
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