Squamous epithelium or pavement epithelium:
Location: It is present in blood vessels, alveoli, coelom, etc.
Structure:
1. The squamous epithelium is composed of single layer of cells.
2. The cells are polygonal in shape, thin and flat, with serrated margin.
3. They have centrally placed spherical or oval nucleus.
4. They appear like flat tiles when viewed from above, thus, are also called as pavement epithelium.
Functions: Protection, absorption, transport, filtration and secretion.
