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Pronunciation: in'vo-lu'krum, -loo'kra


  1. An enveloping membrane, a sheath or sac.
  2. The sheath of new bone that forms around a sequestrum.

Synonym(s): involucre

[L. a wrapper, fr. in-volvo, to roll up]

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