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Pronunciation: sak


  1. A pouch or bursa.
  2. An encysted abscess at the root of a tooth.
  3. The capsule of a tumor, or envelope of a cyst.

Synonym(s): saccus

[L. saccus, a bag]

See Also: sacculus

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