Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Bleb

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Bleb: A bladder-like structure more than 5 mm in diameter with thin walls that may be full of fluid. Also called a bulla.

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