kerat...

  • 71keratoma — /ker euh toh meuh/, n., pl. keratomas, keratomata / meuh teuh/. Pathol. keratosis. [1885 90; KERAT + OMA] * * * …

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  • 72keratose — /ker euh tohs /, adj. 1. having a skeleton formed of horny fibers, as certain sponges. n. 2. keratode. [1850 55; KERAT + OSE1] * * * …

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  • 73keratosis — keratosic, keratotic /ker euh tot ik/, adj. /ker euh toh sis/, n., pl. keratoses / seez/. Pathol. 1. any skin disease characterized by a horny growth, as a wart. 2. any horny growth. Also, keratoma. [1880 85; KERAT + OSIS] * * * ▪ …

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  • 74Keratectomy — Removal of part of the cornea. This can be done by surgical excision or by laser. One such laser procedure is PRK (photorefractive keratectomy). * * * An operation done to change the refraction of the cornea; a crescentic piece of corneal stroma… …

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  • 75Keratin — Protein in the upper layer of the skin, hair, nails and animal horns. The word keratin comes from the Indo European ker meaning horn. * * * Collective name for a group of proteins that form the intermediate filaments in epithelial cells. Keratins …

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  • 76Keratoma — An area of hardened skin, usually called a callus. * * * 1. SYN: callosity. 2. A horny tumor. [kerato + G. oma, tumor] k. disseminatum SYN: punctate keratoderma. k. hereditarium mutilans SYN: mutilating keratoderma. k. plantare sulcatum SYN:… …

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  • 77cerat- — See kerat …

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  • 78Ceratophyllus — A genus of fleas (family Ceratophyllidae) found in temperate climates; includes important fleas of poultry such as C. niger, the western chicken flea, and C. gallinae, the European chicken flea, although these fleas have a wide range of hosts,… …

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  • 79keratectasia — SYN: keratoectasia. [kerato + G. ektasis, extrusion] * * * n. bulging of the cornea at the site of scar tissue (which is thinner than normal corneal tissue). * * * ker·a·tec·ta·sia (ker″ə tek taґzhə) [kerat + ectasia] protrusion… …

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  • 80keratitis — Inflammation of the cornea. SEE ALSO: keratopathy. [kerato + G. itis, inflammation] actinic k. a reaction of the cornea to ultraviolet light. deep punctate k. sharply defined opacities in a …

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