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Interlude G

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Scientists Create Replacement Muscle With Built-in Blood Supply

A multinational team of researchers has grown new muscle complete with its own network of blood vessels in the laboratory and has implanted the new muscle in a living mouse. The accomplishment is a first for tissue engineering, according to a report.

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Active Reading Questions

  1. fiogf49gjkf0d
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    The engineered muscle described in this article is derived from naturally derived precursors to muscle cells. All muscle cells have which of the following in common?
    a) The fundamental contraction unit is the sarcomere.
    b) They undergo aerobic respiration.
    c) They undergo fermentation.
    d) They contain large amounts of myoglobin.
  2. fiogf49gjkf0d
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    The engineered muscle described in this article differs from previously engineered muscle tissue in that
    a) muscle cells were grown alone.
    b) muscle cells and blood vessels were grown together.
    c) muscle cells have never been grown in vitro.
    d) none of the above
  3. fiogf49gjkf0d
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    Tissue engineering is a developing science and currently has limited use in medicine (with the exception of skin grafting); however, in the future, tissue engineering will become more commonplace. What are some advantages to using engineered tissue in medical situations?
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