TEGMENTAL CELLS Meaning and
Definition
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Tegmental cells are a type of specialized cells found within the tegmentum, which is a region of the midbrain and rostral pons in the central nervous system (CNS) of vertebrates. Tegmentum is situated beneath the cerebral aqueduct and above the substantia nigra, forming part of the ventral or anterior half of the midbrain. These cells are characterized by their location and function within the CNS.
Tegmental cells play a crucial role in various physiological processes, particularly in regulating motor control and coordination. They are involved in the modulation of movement, specifically in the initiation and execution of voluntary motor activities. Additionally, tegmental cells are involved in the regulation of the sleep-wake cycle, reward and reinforcement systems, motivation, and various cognitive functions.
The activity of tegmental cells is tightly controlled by complex neuronal networks and neurotransmitter systems, such as the dopaminergic, serotonergic, and cholinergic systems. Dysfunction of these cells can lead to various neurological disorders, including movement disorders like Parkinson's disease, sleep disorders like insomnia or narcolepsy, and psychiatric disorders like depression or addiction.
In summary, tegmental cells are specialized cells located within the tegmentum of the midbrain and rostral pons. They are involved in the regulation of motor control, sleep-wake cycle, reward systems, and various cognitive functions. Dysfunction of tegmental cells can lead to a range of neurological and psychiatric disorders.
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Cells roofing in or covering any delicate or highly differentiated cells or structures.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for TEGMENTAL CELLS
- regmental cells
- fegmental cells
- gegmental cells
- yegmental cells
- 6egmental cells
- 5egmental cells
- twgmental cells
- tsgmental cells
- tdgmental cells
- trgmental cells
- t4gmental cells
- t3gmental cells
- tefmental cells
- tevmental cells
- tebmental cells
- tehmental cells
- teymental cells
- tetmental cells
- tegnental cells
- tegkental cells
Etymology of TEGMENTAL CELLS
The word "tegmental" originates from the Latin term "tegmentum" meaning "covering" or "roof". In anatomy, tegmental cells refer to a specific type of cells that form a covering or protective layer in certain structures, such as the central nervous system. The term "cells" in this context refers to the basic structural and functional unit of living organisms. Therefore, "tegmental cells" can be understood as cells that contribute to the formation of a covering or protective layer in a particular biological structure.
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