Understanding Skin Cells
38 Questions
1 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

Which type of cells are larger than melanocytes and Langerhans cells and are the main type of cells in the gingival epithelium?

  • Merkel cells
  • Lymphocytes
  • Keratinocytes (correct)
  • Dendritic cells
  • What is the main function of the gingival epithelium?

  • To serve as antigen-presenting cells
  • To synthesize melanin
  • To act as mechanosensory receptors
  • To protect deep structures (correct)
  • Which intercellular connection is more common between keratinocytes?

  • Desmosomes (correct)
  • Hemidesmosomes
  • Tight junctions
  • Gap junctions
  • Which cells are responsible for synthesizing melanin?

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

    Which type of cells are present at all suprabasal levels and act as antigen-presenting cells for lymphocytes?

    <p>Langerhans cells</p> Signup and view all the answers

    Which type of keratinization is characterized by the presence of a well-defined stratum granulosum layer?

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

    Which type of keratinization is characterized by the absence of nuclei in the cells of the stratum corneum?

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

    Which type of epithelium is found in the lining mucosa, such as alveolar mucosa?

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

    Which area of the oral cavity is highly keratinized?

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

    What happens to the degree of keratinization in the gingiva with older age?

    <p>It diminishes</p> Signup and view all the answers

    What is the main function of the gingival epithelium?

    <p>All of the above</p> Signup and view all the answers

    What happens to the degree of keratinization in the gingiva with the onset of menopause?

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

    Which type of keratinization is characterized by intermediate/incomplete stage of keratinization and are the most prevalent form of keratinization in the gingival tissue

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

    Which area of the oral cavity is Moderately keratinized?

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

    Which type of keratinization is characterized by the presence of a superficial horny layer similar to that of skin and is the complete stage of keratinization? Also found in some areas of outer gingival epithelium.

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

    Which type of epithelium are present in sulcular epithelium?

    <p>Nonkeratinized stratified squamous epithelium</p> Signup and view all the answers

    Where does the sulcular epithelium extend from and to?

    <p>From the coronal aspect of the junctional epithelium to the crest of the gingival margin</p> Signup and view all the answers

    What can pass through the sulcular epithelium and into the gingiva?

    <p>Bacterial products</p> Signup and view all the answers

    What can seep from the gingiva through the sulcular epithelium and into the sulcus?

    <p>Gingival fluid</p> Signup and view all the answers

    What is the location of the junctional epithelium in healthy tissue?

    <p>At the cementoenamel junction</p> Signup and view all the answers

    What is the width of the marginal gingiva?

    <p>1 mm</p> Signup and view all the answers

    What demarcates the attached Marginal from the attached gingiva?

    <p>Free gingival groove</p> Signup and view all the answers

    What is the depth of a normal sulcus based on histological findings?

    <p>0-2 mm</p> Signup and view all the answers

    Which term describes the gingiva that is tightly bound to the underlying periosteum of the alveolar bone?

    <p>Attached gingiva</p> Signup and view all the answers

    Where is the mucogingival junction located in the buccal aspect of the oral cavity?

    <p>At the junction of the lingual alveolar mucosa</p> Signup and view all the answers

    What is the main function of the wide zone of attached gingiva?

    <p>All of the above</p> Signup and view all the answers

    In a healthy person, what does the distance from the bottom of the gingival sulcus to the mucogingival junction represent?

    <p>The width of the attached gingiva</p> Signup and view all the answers

    What can the attached gingiva be attached to?

    <p>Both the alveolar bone and the tooth surface</p> Signup and view all the answers

    What is the role of the attached gingiva in maintaining the periodontium in health?

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

    Where does the lingual aspect of the attached gingiva tend to blend with in the maxilla?

    <p>The palatal mucosa</p> Signup and view all the answers

    Which fluid seeps through the gingival sulcus to the oral cavity and moves from the intravascular space to the extravascular space?

    <p>Gingival flluid</p> Signup and view all the answers

    What is the composition of gingival fluid in healthy gingiva?

    <p>Mainly serum</p> Signup and view all the answers

    What is the composition of gingival fluid in inflamed gingiva?

    <p>Mainly protein and cells, CT, epithelium, inflammatory cells and microbial flora</p> Signup and view all the answers

    Which cells are the main cellular component of gingival connective tissue?

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

    Which type of fibers are synthesized by fibroblasts in gingival connective tissue?

    <p>All of the above</p> Signup and view all the answers

    What is the repair capacity of gingival connective tissue compared to periodontal ligament (PDL) and epithelial tissue?

    <p>Lower repair capacity than PDL and epithelial tissue</p> Signup and view all the answers

    What is the location of the junctional epithelium in healthy tissue?

    <p>Attached to the cementum</p> Signup and view all the answers

    What is the main function of the gingival epithelium?

    <p>Maintain the structure of the junctional epithelium</p> Signup and view all the answers

    More Like This

    Oral Anatomy: Gingival Structures
    37 questions
    Gingival Epithelium: Anatomy and Function
    59 questions
    Gingival Epithelium Overview
    32 questions

    Gingival Epithelium Overview

    BestPerformingBlue7038 avatar
    BestPerformingBlue7038
    Use Quizgecko on...
    Browser
    Browser