Cytoplasmic bridges present between adjacent cells.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the structures that form cytoplasmic bridges between adjacent cells.

2. **Identifying the Structure**: The cytoplasmic bridges that connect adjacent plant cells are known as **plasmodesmata**.

3. **Function of Plasmodesmata**: Plasmodesmata are microscopic channels that traverse the cell wall of plant cells. They allow for the transport of materials and communication between cells.

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