Differentiate between Pseudostratified and stratified epithelium

Explanation

### Step-by-Step Solution

**1. Definition of Pseudostratified Epithelium:**
- Pseudostratified epithelium appears to be stratified because the nuclei of the cells are at different levels, giving the impression of multiple layers. However, all cells are attached to the basement membrane, and not all reach the free surface.

**2. Definition of Stratified Epithelium:**
- Stratified epithelium consists of multiple layers of cells stacked on top of each other. Only the cells in the uppermost layer are in contact with the free surface, while the lower layers rest on the basement membrane.

...