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Epithelial Tissue Classification
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Epithelial Tissue Classification

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Questions and Answers

What is the shape of squamous epithelium cells in surface view?

  • Cubical
  • Triangular
  • Rectangular
  • Hexagonal or irregular (correct)
  • Where are squamous epithelium cells found in the skin?

  • Epidermis (multilayered) (correct)
  • Subcutaneous tissue
  • Hypodermis
  • Dermis
  • What is the function of squamous epithelium cells in the skin?

  • To aid in wound healing
  • To regulate body temperature
  • To produce sweat
  • To provide protection and prevent the entry of germs (correct)
  • What other organs do squamous epithelium cells line besides the skin?

    <p>Lungs, heart, and oesophagus</p> Signup and view all the answers

    What is the shape of squamous epithelium cells in sectional view?

    <p>No information is provided about sectional view</p> Signup and view all the answers

    What is the characteristics of squamous epithelium cells in terms of size?

    <p>They are shorter than they are wide</p> Signup and view all the answers

    What is the function of squamous epithelium cells in the lungs?

    <p>To provide protection and prevent the entry of germs</p> Signup and view all the answers

    What is the main difference between squamous epithelium and columnar epithelium cells?

    <p>Shape of the cells</p> Signup and view all the answers

    What is the shape of cuboidal epithelial cells in surface view?

    <p>Square</p> Signup and view all the answers

    Where are cuboidal epithelial cells found?

    <p>In the thyroid gland, kidney tubules, salivary glands, pancreas, and liver</p> Signup and view all the answers

    What is the function of epithelial tissue in salivary and gastric glands?

    <p>To secrete enzymes that help in digestion</p> Signup and view all the answers

    What is the function of certain epithelial cells lining the small intestine?

    <p>To absorb nutrients from the digested food</p> Signup and view all the answers

    What is the function of epithelial tissue in the sweat glands and kidneys?

    <p>To remove waste products from the body</p> Signup and view all the answers

    What is a gland?

    <p>A group of cells that produce certain substances</p> Signup and view all the answers

    What is the function of epithelial tissue in general?

    <p>To protect the body and organs from injury</p> Signup and view all the answers

    What is the location of the nucleus in cuboidal epithelial cells?

    <p>Centrally located</p> Signup and view all the answers

    What is the main characteristic of epithelial tissue?

    <p>Closely packed cells with no intercellular space</p> Signup and view all the answers

    What is the function of epithelial tissue in the body?

    <p>To cover the outer surface of the body and line internal organs</p> Signup and view all the answers

    What is the shape of epithelial tissue cells?

    <p>Flat, irregular, cuboidal, or columnar</p> Signup and view all the answers

    What is the example of epithelial tissue in the body?

    <p>Outer layer of the skin and inner lining of blood vessels</p> Signup and view all the answers

    What is the function of nervous tissue?

    <p>To transmit nerve impulses</p> Signup and view all the answers

    What is the classification basis of animal tissues?

    <p>Type of cells, amount of intercellular material, and their functions</p> Signup and view all the answers

    How many basic types of animal tissues are there?

    <p>Four</p> Signup and view all the answers

    What is the name of the tissue that makes up the inner lining of organs?

    <p>Epithelial tissue</p> Signup and view all the answers

    Study Notes

    Epithelial Tissues

    • Classified into three types based on cell shape: squamous, columnar, and cuboidal
    • Squamous epithelium: cells appear flat, hexagonal or irregular in shape, line the blood vessels, lungs, heart, oesophagus, and epidermis of the skin
    • Columnar epithelium: cells appear column-like, longer than wide, with nucleus at the base, found in stomach, intestines, and pharynx
    • Cuboidal epithelium: cells appear square in shape, with centrally located nucleus, found in thyroid gland, kidney tubules, salivary glands, pancreas, and liver

    Functions of Epithelial Tissues

    • Protective tissue, covering outer surface of the body and lining internal organs
    • Protects the body and organs from injury, germs, and more
    • Specialized to secrete enzymes in salivary and gastric glands for digestion
    • Certain epithelial cells absorb nutrients from digested food
    • Also helps remove waste products from the body in sweat glands and kidneys

    Animal Tissues

    • Classified into four basic types: epithelial, muscular, nervous, and connective tissues
    • Each type has distinct characteristics based on cell type, intercellular material, and function

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    Description

    This quiz covers the classification of epithelial tissues based on cell shape, including squamous epithelium and its characteristics.

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