Look up ulceration in
Wiktionary, the free dictionary.

Ulceration may refer to:

In medicine

• Ulcer (dermatology), a discontinuity of the skin
• Ulcer (gastrointestinal), a discontinuity of the gastrointestinal mucosa
• Ulcer (oral), an open sore inside the mouth

In media

• Fear Factory, an American heavy metal band formerly known as "Ulceration"