Embryonic Development Day 8
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Questions and Answers

What is the outer layer of the trophoblast that has no distinct cell boundaries?

  • Epiblast
  • Syncytiotrophoblast (correct)
  • Hypoblast
  • Cytotrophoblast
  • Where are mitotic figures found in the trophoblast?

  • Cytotrophoblast (correct)
  • Epiblast
  • Hypoblast
  • Syncytiotrophoblast
  • What is the layer of cells adjacent to the blastocyst cavity?

  • Hypoblast layer (correct)
  • Epiblast layer
  • Cytotrophoblast layer
  • Syncytiotrophoblast layer
  • What is the characteristic of the endometrial stroma adjacent to the implantation site?

    <p>It is highly vascular and edematous</p> Signup and view all the answers

    What is the cavity that forms within the epiblast?

    <p>Amniotic cavity</p> Signup and view all the answers

    What is the stage of trophoblast development characterized by the formation of large lacunae?

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

    What is the membrane formed by flattened cells from the hypoblast that lines the inner surface of the cytotrophoblast?

    <p>Exocoelomic membrane</p> Signup and view all the answers

    What is the term for the space that forms when the cavities in the extraembryonic mesoderm become confluent?

    <p>Chorionic cavity</p> Signup and view all the answers

    What is the term for the maternal blood vessels that are congested and dilated and are eroded by the syncytiotrophoblast?

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

    What is the term for the circulation established when maternal blood flows through the trophoblastic system?

    <p>Uteroplacental circulation</p> Signup and view all the answers

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