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A blister is a fluid-filled bubble-like sac on the skin and/or mucous membrane. It contains a clear, watery liquid inside called serum. A blood blister, is filled with blood rather than serum. Small blisters are called vesicles, and those larger than 1 cm are called bullae.

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Oral Blisters and Ulcers

  • 章节

  • 发表日期：

    2026年

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  • Stephanie Rose,
  • Janani Ravichandran

摘要

A blister is a fluid-filled bubble-like sac on the skin and/or mucous membrane. It contains a clear, watery liquid inside called serum. A blood blister, is filled with blood rather than serum. Small blisters are called vesicles, and those larger than 1 cm are called bullae.