Embryonic Development: Maxillary and Mandibular Processes
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Questions and Answers

What do the ingrowths from the inner surface of the right maxillary process, left maxillary process, and globular process eventually form?

  • Primary palate
  • Palatal shelves (correct)
  • Maxillary arches
  • Nasal septum
  • At what point in embryonic development does the tongue begin to develop?

  • Midway through the second month
  • End of the third month
  • End of the first month (correct)
  • Beginning of the second month
  • Which structures unite to close the Y-shaped opening in the roof of the mouth during embryonic development?

  • Premaxilla with the nasal septum
  • Maxillary processes with each other and with the premaxilla (correct)
  • Mandible with the zygomatic bone
  • Maxillary processes with the mandible
  • Which region of the stomodeum does the premaxilla originate from in embryonic development?

    <p>Between the olfactory pits</p> Signup and view all the answers

    What do the ingrowths from the inner surface of the maxillary processes become during palatal structure fusion?

    <p>Lateral palatine processes</p> Signup and view all the answers

    From which embryonic regions does the tongue primarily develop?

    <p>First and second branchial arches</p> Signup and view all the answers

    What structures give rise to the upper part of the cheeks, sides of the upper lip, and most of the palate?

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

    Which part of the face starts rapid development after the formation of the maxillary processes?

    <p>Upper part</p> Signup and view all the answers

    What is the role of olfactory placodes in embryonic development?

    <p>Sensory epithelium for olfaction</p> Signup and view all the answers

    Which structure arises from the right & left maxillary processes and the globular process?

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

    What marks significant development near the end of the 2nd month in utero?

    <p>Development of nasal fossae</p> Signup and view all the answers

    Which structures retard the growth of the lower part of the face once they have formed?

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

    What is the cartilage of the first branchial arch called?

    <p>Meckel's cartilage</p> Signup and view all the answers

    From which primordia does the face derive?

    <p>Two maxillary processes, two lateral nasal processes, and two mandibular processes</p> Signup and view all the answers

    Which process results from the collection of neural crest cells in the future upper face?

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

    What happens after the establishment of the stomodeum and the frontal process?

    <p>Budding of rounded processes on either end of the first branchial arch</p> Signup and view all the answers

    Which structure forms due to continuous progressive separation of the primitive foregut from the future heart?

    <p>Branchial arches</p> Signup and view all the answers

    What are the names of the cartilages in the second and third arches?

    <p>Reichert's and inferior hyoid cartilages</p> Signup and view all the answers

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