Akademik

Ulceration
The process or fact of being eroded away, as by an ulcer.
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1. The formation of an ulcer. 2. An ulcer or aggregation of ulcers.
- tracheal u. erosion of the tracheal mucous membrane with, in some cases, exposure of the cartilaginous rings, at the site at which a cuffed tracheostomy tube has been present for some time.

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ul·cer·ation .əl-sə-'rā-shən n the process of becoming ulcerated: the state of being ulcerated

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ul·cer·a·tion (ul″sər-aґshən) [L. ulceratio] 1. the formation or development of an ulcer. 2. an ulcer.

Medical dictionary. 2011.