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donor

Pronunciation: do'nor

Definition:

  1. A person from whom blood, tissue, or an organ is taken for transplantation.
  2. A compound that will transfer an atom or a radical to an acceptor; methionine is a methyl donor; glutathione is a glutamyl donor.
  3. An atom that readily yields electrons to an acceptor, nitrogen, which will donate both electrons to a shared pool in forming a coordinate bond.

[L. dono, pp. donatus, to donate, to give]

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