FASCICULUS PYRAMIDALIS LATERALIS Meaning and
Definition
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The term "fasciculus pyramidalis lateralis" refers to a specific anatomical structure within the human central nervous system. It is a bundle or tract of nerve fibers located in the brain's white matter. The fasciculus pyramidalis lateralis is a component of the larger pyramidal tract, which is involved in the transmission of motor signals from the brain to the spinal cord and ultimately to the muscles of the body.
More specifically, the fasciculus pyramidalis lateralis is found in the lateral column of the spinal cord and is part of the voluntary motor pathway. It originates in the motor cortex of the brain and contains nerve fibers that cross over to the opposite side of the body at the medulla oblongata, forming the basis of contralateral motor control. This anatomical arrangement allows for precise and coordinated movement of the limbs.
The fasciculus pyramidalis lateralis plays a crucial role in motor control, and any disruptions or damage to this pathway can lead to motor deficits or disorders such as spasticity or paralysis. As such, this structure is of great interest to researchers and medical professionals studying movement disorders and neurology.
In summary, the fasciculus pyramidalis lateralis is a specific bundle of nerve fibers within the pyramidal tract, responsible for transmitting voluntary motor signals from the brain to the spinal cord and ultimately controlling movement in the limbs.
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F. cerebrospinalis lateralis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for FASCICULUS PYRAMIDALIS LATERALIS
- dasciculus pyramidalis lateralis
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