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Pronunciation: blas-tē′mă


  1. The primordial cellular mass (precursor) from which an organ or part is formed.
  2. A cluster of cells competent to initiate the regeneration of a damaged or ablated structure.

[G. a sprout]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.