What is the significance of basement membrane?

Explanation

### Step-by-Step Solution:

1. **Definition of Basement Membrane**: The basement membrane is a thin, fibrous layer of extracellular matrix that separates epithelial cells from underlying connective tissue.

2. **Location**: It is located beneath the epithelial cells, providing a foundation for these cells to rest upon.

3. **Support Function**: The basement membrane provides elastic support to the epithelium. This elasticity allows the epithelial tissue to withstand various stresses and maintain its structure.

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