| Urban, Jerome | <person> Surgeon, *1914. See: Urban's operation. (05 Mar 2000) |
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| urban population | The inhabitants of a city or town, including metropolitan areas and suburban areas. (12 Dec 1998) |
| urban renewal | The planned upgrading of a deteriorating urban area, involving rebuilding, renovation, or restoration. It frequently refers to programs of major demolition and rebuilding of blighted areas. (12 Dec 1998) |
| Urban's operation | Extended radical mastectomy, including en bloc resection of internal mammary lymph nodes, part of the sternum, and costal cartilages. (05 Mar 2000) |
| urban typhus | A mild form of typhus occurring in urban areas, reported in Mediterranean areas. Synonym: urban typhus. Siberian tick typhus, tick-borne rickettsiosis caused by infection with Rickettsia sibirica. (05 Mar 2000) |
| urban typhus of malayia | Murine typhus, an acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic typhus, caused by a related microoganism, rickettsia typhi (mooseri), transmitted to humans by rat fleas (xenopsylla cheopis). The animal reservoir includes rats, mice and other rodents. Murine typhus occurs sporadically worldwide but is more prevalent in congested rat-infested urban areas. Also known as endemic typhus, andrat-flea typhus. (12 Dec 1998) |