Why is tracheal epithelium called pseudostratified epithelium ?

Explanation

### Step-by-Step Solution

1. **Definition of Tracheal Epithelium**: The tracheal epithelium is a type of epithelial tissue that lines the trachea (windpipe) in the respiratory system of humans and other animals.

2. **Understanding Pseudostratified Epithelium**: The term "pseudostratified" means "falsely layered." This type of epithelium appears to be stratified (having multiple layers) when viewed under a microscope, but it is actually a single layer of cells.

3. **Cell Structure**: In pseudostratified epithelium, there are two types of cells:
- **Short Cells**: These are shorter in height.
...