Embryonic Development and Neural Formation
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Questions and Answers

What is the consequence of gastrulation in terms of neural development?

  • Formation of the neural plate
  • Migration of neural crest cells
  • Development of the surface ectoderm
  • Formation of the notochord (correct)
  • Which layer gives rise to the entire nervous system?

  • Endoderm
  • Mesoderm
  • Ectoderm (correct)
  • Epiblast
  • What marks the beginning of the early central nervous system development?

  • Formation of the neural plate (correct)
  • Ingression of epiblast cells
  • Formation of the mesoderm
  • Neural tube formation
  • Where do somites develop from during embryonic development?

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

    During gastrulation, which process involves the conversion of the inner cell mass into the three germ layers?

    <p>Neural tube formation (B)</p> Signup and view all the answers

    Which structure marks the first event of gastrulation?

    <p>Primitive streak (D)</p> Signup and view all the answers

    What is the function of the primitive pit located within the primitive node during gastrulation?

    <p>Ingression of epiblast cells (A)</p> Signup and view all the answers

    Which process during gastrulation involves a cellular epithelial-to-mesenchymal transition?

    <p>Neural crest cell migration (D)</p> Signup and view all the answers

    Which structure will the inner cell mass become?

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

    What is the role of trophoblast in mammalian development?

    <p>Forming extraembryonic membranes (C)</p> Signup and view all the answers

    Which part of the embryo is formed when the inner cell mass segregates into a bilaminar embryonic disc?

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

    What do the hypoblast cells give rise to?

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

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