Abscess vs Ulcer - What's the difference?
abscess | ulcer |
A cavity caused by tissue destruction, usually because of infection, filled with pus and surrounded by inflamed tissue.
To form a pus filled cavity typically from an infection.
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(pathology) An open sore of the skin, eyes or mucous membrane, often caused by an initial abrasion and generally maintained by an inflammation and/or an infection.
(pathology) peptic ulcer
(figurative) Anything that festers and corrupts like an open sore; a vice in character.