Sore, canker
A small ulcer crater in the lining of the mouth that is often painful and very sensitive. Also known as an aphthous ulcer. Canker sores are one of the most common problems that occur in the mouth. About 20% of the population (1 in 5 people) have canker sores at any given time. Canker sores typically last for 10-14 days and they heal without leaving a scar. The word "canker" comes from the Latin "cancer" for crab. (In Latin "cancer" was once pronounced kanker from which came canker). Chronic ulcers might seem as hard as a crab shell. For a full article, see Canker sores (Aphthous ulcers).

Medical dictionary. 2011.

Look at other dictionaries:

  • canker sore — noun an ulceration (especially of the lips or lining of the mouth) • Syn: ↑canker • Derivationally related forms: ↑cankerous (for: ↑canker), ↑canker (for: ↑canker) …   Useful english dictionary

  • canker — [kaŋ′kər] n. [ME < OFr cancre < L cancer: see CANCER] 1. an ulcerlike sore, esp. in the mouth: thought to be an immune reaction: cf. COLD SORE: also canker sore 2. a) a disease of plants that causes local decay of bark and wood b) a… …   English World dictionary

  • canker — [n] blistered infection bane, blight, blister, boil, cancer, corrosion, corruption, lesion, rot, scourge, smutch, sore, ulcer; concept 306 canker [v] blight, corrupt animalize, bestialize, consume, corrode, debase, debauch, demoralize, deprave,… …   New thesaurus

  • canker sore — canker ,sore noun count AMERICAN a small sore inside the mouth …   Usage of the words and phrases in modern English

  • Canker rash — Can ker rash (Med.) A form of scarlet fever characterized by ulcerated or putrid sore throat. [1913 Webster] …   The Collaborative International Dictionary of English

  • Canker sore — A small ulcer crater in the lining of the mouth that is often painful and very sensitive. Also known as an aphthous ulcer. Canker sores are one of the most common problems that occur in the mouth. About 20% of the population (1 in 5 people) have… …   Medical dictionary

  • sore — I adj. angry (colloq.) (esp. AE) 1) sore at (why is she sore at me?) 2) sore over (sore over smb. s remark) hurt 3) sore from (sore from riding horseback) II n. a bedsore; canker; cold; open, running; saddle sore * * * [sɔː] canker cold …   Combinatory dictionary

  • sore — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ festering (often figurative), oozing, open, running (esp. BrE, often figurative) ▪ This issue is a festering sore between the two countries. ▪ …   Collocations dictionary

  • sore — Synonyms and related words: abrasion, abscess, acerb, acerbate, acerbic, ache, aching, acid, acidic, acidulent, acidulous, acrid, acrimonious, acute, affecting, afflictive, aggrieved, agonizing, ague, algesia, algetic, anemia, angered, angry,… …   Moby Thesaurus

  • canker — Synonyms and related words: abscess, adulterate, alloy, aposteme, bed sore, blain, blast, bleb, blight, blister, boil, break up, bubo, bulla, bunion, cancer, canker sore, carbuncle, chancre, chancroid, cheapen, chilblain, coarsen, cold sore,… …   Moby Thesaurus

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