Pavement epithelium is the name of Squamous epithelium.

Explanation:

Squamous epithelium is one of the types of epithelial tissues that line the surfaces of various organs and structures in the body. It is characterized by its thin, flat and scale-like appearance. Pavement epithelium is a specific type of squamous epithelium that is found in certain locations of the body.

Characteristics of Squamous Epithelium:

Squamous epithelium is composed of thin, flat cells that are tightly packed together. It is the thinnest type of epithelial tissue and allows for the efficient diffusion of substances across its surface. Some key characteristics of squamous epithelium include:

1. Shape: The cells of squamous epithelium are flat and scale-like in shape. They are wider than they are tall.

2. Arrangement: Squamous epithelial cells are arranged in a single layer, forming a thin and delicate barrier.

3. Nucleus: The nucleus of squamous epithelial cells is flattened and located near the center of the cell.

4. Function: Squamous epithelium provides protection against mechanical stress, serves as a barrier to prevent the entry of microorganisms, and allows for the exchange of gases and nutrients through diffusion.

Role of Pavement Epithelium:

Pavement epithelium is a specific type of squamous epithelium that is found in certain areas of the body, particularly in regions that require a protective barrier against mechanical stress and friction. It is named "pavement" epithelium due to its resemblance to a pavement or a road surface.

Pavement epithelium can be found in various locations, including the skin, oral cavity, esophagus, and vagina. In the skin, pavement epithelium forms the outermost layer known as the epidermis, which protects the underlying tissues from external damage.

In the oral cavity, pavement epithelium lines the inner surface of the cheeks and lips, providing protection against abrasion and wear. In the esophagus, it allows for the smooth passage of food and protects against the friction caused by the movement of ingested material. In the vagina, pavement epithelium provides a protective barrier against mechanical stress during sexual intercourse.

Overall, pavement epithelium, which is a type of squamous epithelium, plays a crucial role in protecting underlying tissues against mechanical stress and friction in various parts of the body.