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keratoacanthoma ker·a·to·ac·an·tho·ma (kěr’ə-tō-āk’ən-thō’mə)
A rapidly growing skin tumor having a central keratin mass and usually occurring on exposed areas, invading the dermis but remaining localized and usually healing spontaneously.


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    keratocele ker·a·to·cele (kěr’ə-tō-sēl’) n. A herniation of Descemet’s membrane through a defect in the outer layer of the cornea.

  • Keratoconjunctivitis

    [ker-uh-toh-kuh n-juhngk-tuh-vahy-tis] /ˌkɛr ə toʊ kənˌdʒʌŋk təˈvaɪ tɪs/ noun, Ophthalmology. 1. inflammation of the cornea and conjunctiva. keratoconjunctivitis ker·a·to·con·junc·ti·vi·tis (kěr’ə-tō-kən-jŭngk’tə-vī’tĭs) n. Inflammation of the cornea and conjunctiva resulting from hypersensitivity of corneal and conjunctival epithelium to an endogenous toxin.

  • Keratoconjunctivitis sicca

    keratoconjunctivitis sicca keratoconjunctivitis sic·ca (sĭk’ə) n. Keratoconjunctivitis characterized by decreased tear flow and thickening and hardening of the cornea and conjunctiva. Also called dry-eye syndrome.

  • Keratoconus

    [ker-uh-toh-koh-nuh s] /ˌkɛr ə toʊˈkoʊ nəs/ noun, plural keratoconi [ker-uh-toh-koh-nahy, -nee] /ˌkɛr ə toʊˈkoʊ naɪ, -ni/ (Show IPA). Pathology. 1. a degenerative condition characterized by conical protrusion of the cornea and irregular astigmatism. keratoconus ker·a·to·co·nus (kěr’ə-tō-kō’nəs) n. A conical protrusion of the center of the cornea caused by noninflammatory thinning of the stroma and usually […]

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