Topic 3: Epithelial tissues

Cards (17)

  • How can epithelial tissue be divided?
    Into covering and lining epithelium and glandular epithelium
  • What does covering and lining epithelium form?
    Outer covering of skin and organs
  • What does lining epithelium do?
    It lines body cavities
  • What are the two arrangements of epithelial cells?
    Simple and stratified
  • What are the two forms of simple columnar epithelium?
    Nonciliated and ciliated
  • What is pseudostratified columnar epithelium?
    A type of simple epithelium
  • What is a type of stratified epithelium?
    Stratified squamous epithelium
  • What are the two forms of stratified squamous epithelium?
    Keratinized and non-keratinized
  • What is transitional epithelium?
    A type of stratified epithelium
  • What are the two types of glands in epithelial tissue?
    Endocrine and exocrine glands
  • What are the main characteristics of epithelial tissue?
    • Covers body surfaces
    • Lines cavities and organs
    • Forms glands
    • Cells are closely packed
    • Avascular (no blood vessels)
  • What are the differences between simple and stratified epithelium?
    Simple Epithelium:
    • Single layer of cells
    • Found in areas of absorption and filtration

    Stratified Epithelium:
    • Multiple layers of cells
    • Provides protection in areas of abrasion
  • What is the role of glandular epithelium?
    • Secretes hormones and other substances
    • Forms endocrine and exocrine glands
  • What is the significance of keratinized stratified squamous epithelium?
    • Provides protection against abrasion
    • Prevents water loss
  • How do the shapes of epithelial cells vary?
    • Squamous: flat and thin
    • Cuboidal: cube-shaped
    • Columnar: taller than wide
  • What is the significance of non-keratinized stratified squamous epithelium?
    • Provides protection in moist areas
    • Found in the mouth and esophagus
  • What is the function of goblet cells in epithelial tissue?
    • Secretes mucus
    • Protects and lubricates surfaces