Bunion
A bunion is a localized painful swelling at the base of the big toe (the great toe). The joint is enlarged (due to new bone formation) and the toe is often misaligned. It is frequently associated with inflammation. It can be related to inflammation of the nearby bursa (bursitis) or degenerative joint disease (osteoarthritis). Bunions most commonly affect women. Ballet dancers are prime candidates for bunions. Tight-fitting shoes and high heels can contribute to bunions. The treatment of bunions includes rest, a change in shoes, foot supports, medications or surgery.
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A localized swelling at either the medial or dorsal aspect of the first metatarsophalangeal joint, caused by an inflammatory bursa; a medial b. is usually associated with hallux valgus. [O.F. buigne, bump on the head]

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bun·ion 'bən-yən n an inflamed swelling of the small fluid-filled sac on the first joint of the big toe accompanied by enlargement and protrusion of the joint compare HALLUX VALGUS

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n.
a swelling of the joint between the great toe and the first metatarsal bone. A bursa often develops over the site and the great toe becomes displaced towards the others (hallux valgus). Bunions are usually caused by ill-fitting shoes and may require surgical treatment.

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bun·ion (bunґyən) [L. bunio; Gr. bounion turnip] abnormal prominence of the inner aspect of the first metatarsal head, accompanied by bursal formation and resulting in a lateral or valgus displacement of the great toe.

Bunion.


Medical dictionary. 2011.

Look at other dictionaries:

  • Bunion — Bun ion, n. (Med.) Same as {Bunyon}. [1913 Webster] …   The Collaborative International Dictionary of English

  • bunion — 1718, from E.Anglian dialectic bunny lump, swelling (16c.), from M.Fr. buigne bump on the head (see BUN (Cf. bun)) …   Etymology dictionary

  • bunion — ► NOUN ▪ a painful swelling on the big toe. ORIGIN Old French buignon, from buigne bump on the head …   English terms dictionary

  • bunion — [bun′yən] n. [< dial. (E Anglian) bunny < ME boni, swelling < OFr buigne: see BUN1] an inflammation and swelling of the bursa at the base of the big toe, with a thickening of the skin …   English World dictionary

  • Bunion — Infobox Disease Name = PAGENAME Width = 250 Caption = DiseasesDB = 5604 ICD10 = ICD10|M|20|1|m|20 ICD9 = ICD9|727.1 ICDO = OMIM = MedlinePlus = eMedicineSubj = orthoped eMedicineTopic = 467 MeshID = D006215 A bunion (hallux valgus) is a… …   Wikipedia

  • bunion — UK [ˈbʌnjən] / US noun [countable] Word forms bunion : singular bunion plural bunions a painful swollen area on the side of your big toe …   English dictionary

  • Bunion — Bunyon Bun yon, Bunion Bun ion, n. [Cf. Prov. E. bunny a small swelling, fr. OF. bugne, It. bugna, bugnone. See {Bun}.] (Med.) An enlargement and inflammation of a small membranous sac (one of the burs[ae] muscos[ae]), usually occurring on the… …   The Collaborative International Dictionary of English

  • bunion — /bun yeuhn/, n. Podiatry. inflammation of the synovial bursa of the great toe, usually resulting in enlargement of the joint and lateral displacement of the toe. [1710 20; perh. alter. of bunny (obs.) lump, swelling, late ME bony, prob. alter. of …   Universalium

  • bunion — [18] Bunion is probably a modification of the East Anglian dialect word bunny ‘lump, swelling’, representing a 15th century form bony, glossed in a contemporary English Latin dictionary as ‘great knob’. This was apparently borrowed from Old… …   The Hutchinson dictionary of word origins

  • bunion — [[t]bʌ̱njən[/t]] bunions N COUNT A bunion is a large painful lump on the first joint of a person s big toe …   English dictionary

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