DECUSSATIO Meaning and
Definition
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Decussatio is a term originating from Latin that refers to the crisscrossing or crossing over of nerve fibers in the central nervous system. It specifically describes the pattern of crossing in which nerve fibers or tracts from one side of the nervous system form a crossover or interchange with those on the opposite side.
In the human body, decussation commonly occurs in certain critical areas of the brain and spinal cord. This process is essential for the coordination and communication between the left and right sides of the nervous system. It helps facilitate the transfer of information and signals from one side to the other, ensuring that both sides of the body are properly connected and able to function harmoniously.
One prominent example of decussation is the optic chiasm, where fibers from the optic nerves carrying visual information cross over to the opposite side of the brain, allowing for binocular vision. Other examples include the crossing of motor and sensory fibers in the pyramids of the medulla oblongata, the decussation of pain and temperature sensory fibers in the spinal cord, and the crossing over of auditory fibers in the superior olivary nucleus.
The concept of decussatio is widely studied in neuroanatomy and plays a crucial role in understanding the organization and function of the nervous system. It serves as a fundamental mechanism for the integration of information between the brain hemispheres and the coordination of various bodily functions.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for DECUSSATIO
- decusation
- decussatin
- decussation
- secussatio
- xecussatio
- cecussatio
- fecussatio
- recussatio
- eecussatio
- dwcussatio
- dscussatio
- ddcussatio
- drcussatio
- d4cussatio
- d3cussatio
- dexussatio
- devussatio
- defussatio
- dedussatio
- decyssatio
Etymology of DECUSSATIO
The word decussatio is derived from the Latin term decussare, which means to cross in the form of an X or to intersect diagonally. This Latin word itself can be traced back to the noun decussis, meaning an X-shaped figure or a penny. The term decussatio is commonly used in anatomical contexts to refer to the crisscrossing or crossing over of nerve fibers or pathways in the form of an X.
Similar spelling words for DECUSSATIO
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