Longitudinal fissure
Longitudinal Fissure
The Longitudinal fissure (pronunciation: /lɒn.dʒɪˈtjuː.dɪ.nəl ˈfɪʃ.ər/) is a prominent anatomical feature found in the human brain.
Etymology
The term "Longitudinal fissure" is derived from the Latin words "longus" meaning "long" and "fissura" meaning "split".
Description
The Longitudinal fissure is the deep groove that separates the two cerebral hemispheres of the vertebrate brain. This fissure extends from the front to the back along the midline, dividing the brain into roughly symmetrical left and right halves. Each half, or hemisphere, is responsible for different cognitive functions.
Related Terms
- Cerebral cortex: The outer layer of the cerebral hemispheres, involved in higher brain functions such as thought and action.
- Corpus callosum: A broad band of nerve fibers that connects the left and right cerebral hemispheres, allowing for communication between them.
- Central sulcus: A fold in the cerebral cortex of the brains of primates, located between the frontal and parietal lobes.
- Sulcus: A groove or furrow on the surface of the brain.
- Gyrus: A ridge on the cerebral cortex. It is generally surrounded by one or more sulci.
See Also
External links
- Medical encyclopedia article on Longitudinal fissure
- Wikipedia's article - Longitudinal fissure
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