Corpus Callosum
Corpus Callosum
The Corpus Callosum (/ˈkɔːrpəs kəˈloʊsəm/; Latin for "tough body"), often referred to as the callosal commissure, is a wide, flat bundle of neural fibers beneath the cortex in the brain.
Etymology
The term "Corpus Callosum" is derived from Latin, where "corpus" means body and "callosum" means tough. It was named for its tough and fibrous texture.
Anatomy
The Corpus Callosum is the largest white matter structure in the brain, consisting of 200-250 million contralateral axonal projections. It connects the left and right cerebral hemispheres and facilitates interhemispheric communication.
Function
The primary function of the Corpus Callosum is to integrate motor, sensory, and cognitive performances between the cerebral cortex on one side of the brain to the same region on the other side.
Related Terms
- Cerebral Cortex: The outer layer of the cerebrum, composed of folded grey matter, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.
- Cerebral Hemispheres: The two halves of the brain, each of which is conventionally divided into four lobes: the frontal lobe, parietal lobe, occipital lobe, and temporal lobe.
- Axon: A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body.
- Neuron: A specialized cell transmitting nerve impulses; a nerve cell.
See Also
External links
- Medical encyclopedia article on Corpus Callosum
- Wikipedia's article - Corpus Callosum
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