canker sore meaning

Noun: canker sore

1. An ulceration (especially of the lips or lining of the mouth)
   - canker

Derived forms: canker sores

Type of: ulcer, ulceration

Encyclopedia: Canker sore

[Medicine]
A recurrent disease of the oral mucosa of unknown etiology. It is characterized by small white ulcerative lesions,single or multiple,round or oval. Two to eight crops of lesions occur per year,lasting for 7 to 14 days and then heal without scarring. (From Jablonski's Dictionary of Dentistry,1992,p742)n : a small painful ulcer esp. of the mouth; esp : a painful shallow ulceration of the oral mucous membranes that has a grayish-white base surrounded by a reddish inflamed area and is characteristic of aphthous stomatitis —compare COLD SORE

Examples

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1. unlike cold sores, canker sores appear inside the mouth
2. 60-foot slime-covered tongue with canker sores, swim-in cavities,
3. there may be only one canker sore or several and they often return
4. fatigue, stress or allergies can increase the likelihood of a canker sore
5. diet and canker sores . what food allergies or reactions may cause canker sores