Describe the structure and location on types of epithelial tissues
Answers
Answer:
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Explanation:
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.
1. squamous epithelium
it is flat thin and square in shape.
it serves in protection and present on linings of various organs.
2. stratified epithelium
it is made of layers of same kind of cells. present in cornea and nails.
3. cuboidal epithelium
it is found in glandular ducts and helps in greater absorption by increase in the surface area.
4.columnar epithelium
they are arranged in vertical manner and are tall in size.
present in stomach and intestines for secretion of enzymes or juices or hormones.