Development of Salivary Glands and Face
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Development of Salivary Glands and Face

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Questions and Answers

What is the origin of the parotid salivary gland?

  • Neuroectodermal
  • Endodermal
  • Mesodermal
  • Ectodermal (correct)

    • During facial development, what forms the forehead and nasal part?

  • Maxillary process
  • Mandibular process
  • Lateral nasal prominence
  • Frontonasal process (correct)

    • What is the origin of the maxillary and palatine bones?

  • First pharyngeal arch (correct)
  • Neural crest cells
  • First branchial arch
  • Second pharyngeal arch

    • How do the mandibular prominences develop during facial development?

    <p>They grow medially and fuse in the midline</p> Signup and view all the answers

    What is the origin of the skin of the philtrum of the upper lip?

    <p>Maxillary process</p> Signup and view all the answers

    During facial development, what forms the nasal pits?

    <p>Frontonasal process</p> Signup and view all the answers

    What is the primary anatomical structure that gives rise to the philtrum of the upper lip?

    <p>Fused medial nasal prominences</p> Signup and view all the answers

    During what weeks of development do the primary and secondary palate form?

    <p>5-12 weeks</p> Signup and view all the answers

    What is the primary cause of posterior cleft palates?

    <p>Failure of fusion of palatal shelves</p> Signup and view all the answers

    What is the term for the thickening of epithelium in the region of the alveolar processes that forms the dental lamina?

    <p>Ectodermal dental lamina</p> Signup and view all the answers

    What is the term for the stage of tooth development where cells of the enamel organ lining the dental papilla become columnar?

    <p>Bell stage</p> Signup and view all the answers

    What is the term for the process by which ameloblasts deposit enamel and odontoblasts deposit dentine?

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

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