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Miniorgans, or “ organoids,” are tiny simplified structures that can be used to test new medical treatments or study how the real organs they mimic work, whether they are healthy or diseased.
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The audit has been called a political gesture to placate anti-abortion groups that oppose use of the tissue. Fetal tissue has played a part in developing vaccines and medical treatments.
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Critics say research on fetal tissue is no longer needed to answer crucial medical questions. But National Institutes of Health officials and other scientists say alternatives don't yet measure up.