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mosaic

Pronunciation: mo-za'ik

Definition:

  1. Inlaid; resembling inlaid work.
  2. The juxtaposition in an organism of genetically different tissues; it may occur normally (as in lyonization, q.v.), or pathologically, as an occasional phenomenon. From somatic mutation (gene mosaicism), an anomaly of chromosome division resulting in two or more types of cells containing different numbers of chromosomes (chromosome mosaicism), or chimerism (cellular mosaicism).

[Mod. L. mosaicus, musaicus, pertaining to the Muses, artistic]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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