Epithelial Tissue Characteristics
5 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is an essential characteristic of epithelial tissue concerning its vascularity?

  • It contains blood vessels within its structure.
  • It is highly vascularized.
  • It is avascular. (correct)
  • It relies on diffusion for nutrient supply.

    • Which of the following roles is not a function of epithelial tissue?

  • Receiving sensory stimuli.
  • Lubrication with mucous and serous fluids.
  • Filtering substances through the kidney.
  • Transporting nutrients via blood vessels. (correct)

    • Which component distinguishes the apical domain of epithelial cells from the basal domain?

  • Type of membrane proteins.
  • Orientation towards the underlying basal lamina.
  • Presence of junctional complexes.
  • Exposure to the external environment. (correct)

    • What structural feature is found in the basal lamina of epithelial tissue?

    <p>It is a non-cellular layer rich in protein-polysaccharides.</p> Signup and view all the answers

    Which of the following is a sensory function of epithelial tissue?

    <p>Tasting via neuroepithelia in the tongue.</p> Signup and view all the answers

    Study Notes

    Epithelial Tissue Characteristics

    • Epithelial tissue is avascular.
    • It covers exterior surfaces of the body.
    • It lines internal closed cavities.
    • It forms the secretory portion of glands and their ducts.
    • It makes up the receptors of certain sensory organs.

    Epithelial Cell Characteristics

    • Cells are arranged in sheets.
    • Cells possess intercellular junctions (junctional complexes).
    • Cells display distinct surface domains: apical (free), lateral, and basal.
    • Cell properties are determined by the presence of specific membrane proteins.
    • Cells rest on an underlying basal lamina, a non-cellular, protein-polysaccharide-rich layer.

    Epithelial Tissue Functions

    • Transport: Motile cilia on the surface move particles and mucus (e.g., in the trachea and bronchi).
    • Sensory Reception: Neuroepithelia (e.g., taste buds of the tongue, retina of the eye) receive sensory stimuli (smell, hearing).
    • Secretion/Lubrication: Secretion of mucous and serous fluid provides lubrication.
    • Excretion: Epithelial cells filter blood (e.g., urine, sweat)
    • Reproductive Functions: Epithelial cells in the ovaries and testes produce and are involved in the processes of sex cells.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Explore the fundamental characteristics and functions of epithelial tissue in the human body. This quiz covers aspects such as cell arrangement, surface domains, and various roles of epithelial tissue in sensation and secretion.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser