MCAT Biology Question — Small Intestine

  • Reviewed By: Liz Flagge
  • The epithelial lining of the small intestine forms from which germ layer?

    I. Endoderm

    II. Mesoderm

    III. Ectoderm

    A. I only

    B. II only

    C. III only

    D. I and II

    Click for Explanation

    The epithelial lining of the gastrointestinal tract, liver, gallbladder, and pancreas originates from the endoderm.

    A. I only, Correct

    B. II only

    C. III only

    D. I and II

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