Anatomic Sciences: Palatal Development in Embryonic Development
16 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

At what stage of embryonic development do the facial swellings arise?

  • 6th and 8th weeks
  • 3rd and 5th weeks
  • 4th and 6th weeks (correct)
  • 5th and 7th weeks

    • What is the primary palate formed by the fusion of?

  • Maxillary and lateral palatine processes
  • Mandibular and 2 maxillary processes
  • Lateral nasal and 1st pharyngeal arch processes
  • Medial nasal and maxillary processes (correct)

    • What is the result of fusion between the palatal processes growing from the oral surfaces of the maxillary processes?

  • Formation of the primary palate
  • Formation of the uvula
  • Formation of the nasal septum
  • Formation of the secondary palate (correct)

    • What type of bone develops in the primary palate?

    <p>Membrane bone</p> Signup and view all the answers

    Which part of the palate does not become ossified?

    <p>Posterior portions of the lateral palatine processes</p> Signup and view all the answers

    What indicates the line of fusion of the lateral palatine processes?

    <p>Palatine raphe</p> Signup and view all the answers

    What is the last portion of the palate to form?

    <p>Soft palate and uvula</p> Signup and view all the answers

    What is the potential result of a faulty merging and fusion site?

    <p>Facial cleft or cleft palate</p> Signup and view all the answers

    At what week of intrauterine life does the first sign of tooth development occur?

    <p>6th week</p> Signup and view all the answers

    What is the origin of cells that form tooth germs?

    <p>Ectoderm of the first pharyngeal arch and ectomesenchyme of the neural crest</p> Signup and view all the answers

    What is the next stage of tooth development after the initiation/bud stage?

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

    What happens to the ectomesenchymal cells during the cap stage?

    <p>They stop producing extracellular substances</p> Signup and view all the answers

    What is the function of the dental lamina?

    <p>It connects the developing tooth bud to the epithelial layer of the mouth</p> Signup and view all the answers

    Which of the following forms the enamel?

    <p>Enamel organ</p> Signup and view all the answers

    What is the function of the dental sac or follicle?

    <p>It gives rise to the supporting structures of a tooth</p> Signup and view all the answers

    During which stage does the tooth bud grow around the ectomesenchymal aggregation?

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

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser