Where is transitional epithelium found apart from urinary bladder?

Explanation

### Step-by-Step Solution:

1. **Understanding Transitional Epithelium**: Transitional epithelium is a specialized type of stratified epithelium that can stretch and is designed to accommodate fluctuating volumes of liquid. It is characterized by its ability to change shape, which is essential for organs that need to expand and contract.

2. **Primary Location**: The most well-known location of transitional epithelium is the urinary bladder, where it allows the bladder to expand as it fills with urine.

3. **Other Locations**: Apart from the urinary bladder, transitional epithelium can also be found in several other parts of the urinary system:
- **Renal Pelvis**: This is the area of the kidney where urine collects before moving to the ureter.
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