Stem Cells: Extraembryonic Tissue and Classification
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Questions and Answers

Why are stem cells from fetal tissue or umbilical cord blood classified as adult stem cells?

  • To distinguish them from embryonic stem cells. (correct)
  • Because of their ability to differentiate into specific adult cell types.
  • Due to their origin from adult organisms.
  • Based on their ability to support the growth of adult tissues.
  • Which of the following best describes an extraembryonic tissue?

  • It primarily gives rise to structures supporting the embryo during development. (correct)
  • It forms part of the central nervous system in the embryo.
  • It directly contributes to the development of the embryo's organs.
  • It differentiates into bone marrow in the developing embryo.
  • What term do most researchers prefer for all stem cells other than those from embryos?

  • Tissue stem cells (correct)
  • Adult stem cells
  • Fetal stem cells
  • Extraembryonic stem cells
  • Which of the following structures is NOT classified as extraembryonic?

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

    What is the primary role of extraembryonic tissues in embryo development?

    <p>Supporting the embryo during development</p> Signup and view all the answers

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