What are 5 examples of epithelial tissue?
Types of Epithelial Tissue
| Epithelial Tissue Cells | |
|---|---|
| Cells | Locations |
| Stratified cuboidal epithelium | Sweat glands, salivary glands, and mammary glands |
| Stratified columnar epithelium | The male urethra and the ducts of some glands. |
| Transitional epithelium | Lines the bladder, urethra and ureters |
What are some examples of epithelial tissue?
Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs. An example is the epidermis, the outermost layer of the skin. There are three principal shapes of epithelial cell: squamous, columnar, and cuboidal.
How do you observe epithelial tissue under microscope?
A squamous epithelial cell looks flat under a microscope. A cuboidal epithelial cell looks close to a square. A columnar epithelial cell looks like a column or a tall rectangle. A few epithelial layers are constructed from cells that are said to have a transitional shape.
Is skin epithelial tissue?
Epithelial tissue covers the outside of the body and lines organs, vessels (blood and lymph), and cavities. For example, the skin is composed of a layer of epithelial tissue (epidermis) that is supported by a layer of connective tissue. It protects the internal structures of the body from damage and dehydration.
What are epithelial tissues?
Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.
Where do you usually find epithelial tissues?
Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands.
What does an epithelial cell look like?
Cuboidal epithelial cells, as their name suggests, are shaped like cubes. These are typically found in tissues that secrete or absorb substances, such as in the kidneys and glands. Columnar epithelial cells are long and thin, like columns. These are usually found in places that secrete mucus such as the stomach.
How many types of epithelial tissues are there?
There are 3 different types of epithelial tissue: squamous, cuboidal, and columnar.
Which epithelium is present in tongue?
stratified squamous epithelium
The surface of the tongue is covered by stratified squamous epithelium which is modified into filiform papillae. The keratinized cells have no nucleus or organelles. Keratin’s presence makes the surface smooth.