In columnar epithelium, nucleus present at which of these position in each cell of epithelium?

Options

A. At the top of cell
B. Between the boundary of two cells
C. At the middle of cytoplasm
D. At the base

Answer

To determine the position of the nucleus in columnar epithelium, we can follow these steps:

1. **Understand the Structure of Columnar Epithelium**: Columnar epithelium consists of cells that are taller than they are wide, resembling a stack of columns. This shape is important for their function and organization.

2. **Identify the Location of the Nucleus**: In columnar epithelial cells, the nucleus is typically not located at the top or in the middle of the cell. Instead, it is positioned in a specific area.

3. **Analyze the Options Provided**: The question provides four options regarding the position of the nucleus:
- At the top of the cell
- In the middle of the cell
- In the middle of the boundary of two cells
- At the base of the cell

4. **Determine the Correct Position**: Based on the structure of columnar epithelium, the nucleus is generally found at the base of the cell. This positioning allows for efficient organization and function of the epithelial layer.

5. **Conclusion**: The correct answer is that in columnar epithelium, the nucleus is present at the base of each cell.