Embryology of the Tongue Development
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Questions and Answers

What embryonic structures contribute to the formation of the anterior two-thirds of the tongue?

  • Two lateral lingual swellings and the epiglottis
  • Two lateral lingual swellings and the tuberculum impar (correct)
  • Copula and hypobranchial eminence
  • Tuberculum impar and the fourth pharyngeal arch
  • Which lymph nodes are responsible for draining the anterior two-thirds of the tongue?

  • Deep cervical lymph nodes
  • Submandibular lymph nodes
  • Submental lymph nodes (correct)
  • Parotid lymph nodes
  • What embryonic arch is primarily involved in the development of the epiglottis?

  • Second pharyngeal arch
  • Fourth pharyngeal arch (correct)
  • First pharyngeal arch
  • Third pharyngeal arch
  • How does the posterior one-third of the tongue form in relation to the anterior two-thirds?

    <p>It fuses with anterior two-thirds along the sulcus terminalis</p> Signup and view all the answers

    What occurs to the contribution from the second pharyngeal arch during tongue development?

    <p>It is overgrown by the hypobranchial eminence</p> Signup and view all the answers

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