What is the corpus callosum?
The corpus callosum is called the corpus callosum. Gray's Anatomy (1918) describes it as a broad band of nerve fibers.
What it is
- A broad band of nerve fibers.
- The largest connection between the two cerebral hemispheres.
- Allows the two sides of the brain to communicate.
Where it is
- Deep within the brain, above the thalami.
- Curves from front to back across the midline.
- Made of about 200 million nerve fibers.
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Last verified: 2026-07-18
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