Tegmental

Tegmentum is a part of the midbrain that is involved in various functions, including sensory and motor system functions, regulation of awareness, and consciousness. It is located between the ventricular system and the midbrain.

Anatomy[edit | edit source]

The tegmentum is located in the midbrain, which is one of the three parts of the brainstem. It is situated between the cerebral aqueduct and the base of the midbrain, anterior to the cerebral peduncles. The tegmentum contains the red nucleus, periaqueductal gray, and the reticular formation.

Function[edit | edit source]

The tegmentum plays a role in many functions, including motor function, sensory function, and the regulation of awareness and consciousness. It contains the red nucleus, which is involved in motor coordination, and the periaqueductal gray, which plays a role in pain modulation and defensive behavior. The reticular formation in the tegmentum is involved in sleep and wakefulness, attention, and consciousness.

Clinical significance[edit | edit source]

Damage to the tegmentum can result in a variety of neurological disorders, including Parkinson's disease, Huntington's disease, and Wilson's disease. In Parkinson's disease, degeneration of neurons in the tegmentum can lead to motor symptoms such as tremors, rigidity, and bradykinesia. In Huntington's disease, damage to the tegmentum can result in chorea, a movement disorder characterized by involuntary, jerky movements. In Wilson's disease, accumulation of copper in the tegmentum can lead to neurological and psychiatric symptoms.

References[edit | edit source]

Tegmental Resources
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