Dental Anatomy: Cell Free Zone of Weil and Anuclear Zone Quiz
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Questions and Answers

What is the predominant component of the ECM in dental pulp?

  • Fibronectin
  • Collagen type I (correct)
  • Fibrillin
  • Glycosaminoglycans
  • Where do odontoblasts attach to in the dental pulp?

  • Immune cells
  • Predentine (correct)
  • Glycosaminoglycans
  • Each other
  • What is the primary function of odontoblasts in the dental pulp?

  • Generation of glycoproteins
  • Production of fibronectin
  • Immune response
  • Synthesis of dentine (correct)
  • What is the shape of coronal odontoblasts in the dental pulp?

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

    What is the correct term for the area in the dental pulp where a number of axons congregate?

    <p>Predentinal plexus of Bradlaw</p> Signup and view all the answers

    Which region in the dental pulp is described as anuclear based on electron microscopy findings?

    <p>Cell Free Zone of Weil</p> Signup and view all the answers

    Where are the nuclei of adjacent odontoblast cells located?

    <p>At the same level</p> Signup and view all the answers

    Which zone in the dental pulp is characterized by the presence of fibroblast cell processes, axons, and capillaries crossing the region?

    <p>Cell Free Zone of Weil</p> Signup and view all the answers

    Which organelles are involved in dentine synthesis by odontoblasts?

    <p>Golgi complex and mitochondria</p> Signup and view all the answers

    What is the main anatomical feature of predentine in the dental pulp?

    <p>An abundance of odontoblasts</p> Signup and view all the answers

    What contributes to the richness of the Cell Rich Zone in the dental pulp?

    <p>Stem cells and endothelial cells</p> Signup and view all the answers

    Which area in the dental pulp is typically absent from the radicular pulp and appears mainly in the coronal pulp of erupted teeth?

    <p>Predentinal plexus of Bradlaw</p> Signup and view all the answers

    What is the main function of the odontoblast layer in the dental pulp?

    <p>Maintaining limited permeability and reducing toxins reaching the pulp</p> Signup and view all the answers

    How do fibroblasts contribute to dental pulp tissue?

    <p>Forming a network linked by adherens junctions</p> Signup and view all the answers

    What happens to the odontoblast layer as secondary dentine is laid down throughout life?

    <p>The odontoblast layer becomes flatter and cells decline by apoptosis</p> Signup and view all the answers

    Which cell type is responsible for slowly producing fibers and ground substance in dental pulp tissue?

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

    What is the role of interleukin-8 (IL-8) in the dental pulp?

    <p>Recruiting neutrophils</p> Signup and view all the answers

    Which type of cell junction helps in maintaining the integrity and limited permeability of the odontoblast layer?

    <p>Tight junctions</p> Signup and view all the answers

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