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    • Nam Nguyen
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      keratoconus<=> noun a cone- shaped lump on the cornea
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        keratoconjunctivitis<=> noun inflammation of the cornea with conjunctivitis
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          keratoacanthoma<=> noun a type of benign skin tumour which disappears after a few months (NOTE: The plural is keratoacanthomas or keratoacanthomata.)
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            keratitis<=> noun inflammation of the cornea kerato-<=> prefix referring to horn, horny tissue or the cornea
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              keratinocyte<=> noun a cell which produces keratin
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                keratinise<=> , keratinize verb to convert something into keratin or into horny tissue (NOTE: keratinising – keratinised)
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                  keratinisation<=> , keratinization noun the appearance of horny characteristics in tissue. Also called cornification
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                    keratin<=> noun a protein found in horny tissue such as fingernails, hair or the outer surface of the skin
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                      keratic<=> adjective 1.<=> relating to horny tissue or to keratin 2.<=> relating to the cornea
                      • Nam Nguyen
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                        keratectomy<=> noun a surgical operation to remove the whole or part of the cornea (NOTE: The plural is keratectomies.)
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                          keratalgia<=> noun pain felt in the cornea keratectasia<=> noun a condition in which the cornea bulges
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                            kerat-<=> prefix same as kerato-(used before vowels)
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                              Keller’s operation<=> noun a surgical operation on the big toe to remove a bunion or to correct an ankylosed joint [Described 1904. After William Lordan Keller (1874–1959), US surgeon.] keloid<=> noun an excessive amount of scar tissue at the site of a skin injury
                              • Nam Nguyen
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                                kcal <=>abbr kilocalorie Kegel exercises<=> plural noun exercises which strengthen the muscles of the pelvic floor in women and help to prevent any accidental leakage of urine when they cough, sneeze or lift things
                                • Nam Nguyen
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                                  Kayser-Fleischer ring<=> noun a brown ring on the outer edge of the cornea, which is a diagnostic sign of hepatolenticular degeneration [Described 1902 by Kayser, 1903 by Fleischer. Bernard Kayser (1869– 1954), German ophthalmologist; Bruno Richard Fleischer (1848–1904), German physician.]
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                                    Kawasaki disease<=> noun a retrovirus infection that often occurs in small children and causes a high temperature, rash, reddened eyes, peeling skin and swollen lymph nodes
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                                      Kartagener’s syndrome<=> karyo-<=> prefix relating to a cell nucle us karyotype<=> noun the chromosome complement of a cell, shown as a diagram or as a set of letters and numbers
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                                        noun a hereditary condition in which all the organs in the chest and abdomen are positioned on the opposite side from the usual one, i.e. the heart and stomach are on the right
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                                          Kaposi’s sarcoma<=> noun a cancer which takes the form of many haemorrhagic nodes affecting the skin, especially on the extremities [Described 1872. After Moritz Kohn Karposi (1837–1902), Professor of Dermatology at Vienna, Austria.] COMMENT: Formerly a relatively rare disease, found mainly in tropical countries, Kaposi’s sarcoma is now more common as it is one of the diseases associated with AIDS.
                                          • Nam Nguyen
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                                            kalium<=> noun same as potassium kaolin<=> noun a fine soft clay used in the making of medical preparations, especially for the treatment of diarrhoea