University of Kirkuk Dentistry Lec.5: Connective Tissue Biology
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University of Kirkuk Dentistry Lec.5: Connective Tissue Biology

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Questions and Answers

Which type of tissue is responsible for supporting, linking, storage, protection, transportation, insulation, defense, and nourishment?

  • Epithelial tissue
  • Nervous tissue
  • Connective tissue (correct)
  • Muscle tissue

    • What is the principle and most common cell of connective tissue responsible for the synthesis of extracellular matrix components?

  • Mast cell
  • Monocyte
  • Macrophage
  • Fibroblast (correct)

    • Where do mast cells originate from and where do they go into all tissues of the body?

  • Originates from bone marrow, goes into all tissues of the body (correct)
  • Originates from nervous tissue, goes into connective tissue
  • Originates from bloodstream, goes into muscle tissue
  • Originates from connective tissue, goes into epithelial tissue

    • Which type of cell in connective tissue is irregularly shaped, with kidney-shaped nuclei, and is involved in engulfing dead cells and foreign bodies?

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

    Which type of tissue develops from the mesoderm?

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

    What are the three classes of components that structurally compose connective tissue?

    <p>Cells, extracellular matrix (fibers and ground substance), and lymphatic vessels</p> Signup and view all the answers

    What is the main responsibility of fibroblasts in connective tissue?

    <p>Synthesizing extracellular matrix components</p> Signup and view all the answers

    Which type of cell is responsible for engulfing dead cells and other foreign bodies in connective tissue?

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

    What are the active molecules found in secretory granules of mast cells?

    <p>Histamine and heparin</p> Signup and view all the answers

    Where do mast cells originate from?

    <p>Bone marrow</p> Signup and view all the answers

    Which cell is the most common in connective tissue and responsible for synthesizing extracellular matrix components?

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

    What is the shape of the nuclei of macrophages?

    <p>Kidney shape</p> Signup and view all the answers

    What is the primary function of mast cells when triggered?

    <p>Releasing secretory granules containing active molecules</p> Signup and view all the answers

    From which type of tissue do mast cells migrate into all tissues of the body?

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

    What differentiates macrophages from monocytes?

    <p>Differentiation into macrophage</p> Signup and view all the answers

    What is the structure of a plasma cell's nuclei?

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

    What is the primary responsibility of plasma cells?

    <p>Producing antibodies</p> Signup and view all the answers

    Which cell type has an irregularly oval shape with spherical nuclei?

    <p>Mast cell</p> Signup and view all the answers

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