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bulla

Pronunciation: bul′ă, -ē

Definition:

  1. A fluid-filled blister greater than 1 cm in diameter appearing as a circumscribed area of separation of the epidermis from the subepidermal structure (subepidermal bulla) or as a circumscribed area of separation of epidermal cells (intraepidermal bulla) caused by the presence of serum, or occasionally by an injected substance.
  2. A bubblelike structure.

[L. bubble]

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