Tract of nerve fibre which connects both cerebral hemisphere is

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of the tract of nerve fibers that connects both cerebral hemispheres in the brain.

2. **Identifying the Structure**: The structure that connects the two cerebral hemispheres is known as a commissural fiber.

3. **Recognizing the Major Commissural Fiber**: Among the various commissural fibers, the most significant one is the corpus callosum.

4. **Defining the Corpus Callosum**: The corpus callosum is the largest connective tissue in the brain and consists of approximately 200 to 300 million axons. It plays a crucial role in interhemispheric communication.

5. **Concluding the Answer**: Therefore, the tract of nerve fibers that connects both cerebral hemispheres is called the **corpus callosum**.

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