Thyroid Gland Development
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Questions and Answers

Which pharyngeal arch gives rise to the development of the anterior 2/3 of the tongue?

  • Second pharyngeal arch
  • Fourth pharyngeal arch
  • First pharyngeal arch (correct)
  • Third pharyngeal arch

What is the name of the midline swelling that forms during the development of the anterior 2/3 of the tongue?

  • Median sulcus
  • Tuberculum impar (correct)
  • Copula
  • Foramen cecum

What is the name of the depression that forms between the anterior 2/3 and posterior 1/3 of the tongue?

  • Median sulcus
  • Terminal sulcus (correct)
  • Foramen cecum
  • Hypobranchial eminence

Which of the following pharyngeal arches is NOT involved in the development of the posterior 1/3 of the tongue?

<p>First pharyngeal arch (C)</p> Signup and view all the answers

What is the name of the tiny sac that forms at the tip of the terminal sulcus?

<p>Foramen cecum (A)</p> Signup and view all the answers

At which week does the development of the posterior 1/3 of the tongue begin?

<p>Week 4 (D)</p> Signup and view all the answers

What is the name of the swelling that forms during the development of the posterior 1/3 of the tongue?

<p>Copula (B)</p> Signup and view all the answers

What is the name of the line of fusion between the lateral lingual swellings?

<p>Median sulcus (C)</p> Signup and view all the answers

Which of the following is NOT involved in the development of the mucosa of the anterior 2/3 of the tongue?

<p>Fourth pharyngeal arch (A)</p> Signup and view all the answers

What is the origin of the thyroid gland?

<p>Foramen cecum (A)</p> Signup and view all the answers

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