Name the band of nerve fibres that joins the cerebral hemispheres.

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the name of the band of nerve fibers that connects the cerebral hemispheres.

2. **Understand the Structure**: The cerebral hemispheres consist of the left and right hemispheres of the brain. These two hemispheres need to communicate with each other for coordinated brain function.

3. **Locate the Connection**: The connection between the left and right cerebral hemispheres is made by a specific structure composed of nerve fibers.

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