| congo | A republic in central africa lying between gabon and democratic republic of the congo. Its capital is brazzaville. It became a territory of french equatorial africa in 1910, a french overseas territory in 1946, an autonomous republic within the french community in 1958, and achieved independence in 1960. The country takes its name from the congo river running through it: the bantu name for the river means mountain, with reference to the local topography. (12 Dec 1998) |
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| congo red | <chemical> An odourless, dark red or reddish brown powder which decomposes on exposure to acid fumes. It is used as a diagnostic aid in amyloidosis, and has been used as an antihemolytic and detoxicant. Pharmacological action: dyes. Chemical name: 1-Naphthalenesulfonic acid, 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-amino-, disodium salt (12 Dec 1998) |
| Congolian red fever | 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, rat-flea typhus; urban typhus of malaya). (12 Dec 1998) |
| congophilic | Denoting any substance that takes a Congo red stain. (05 Mar 2000) |
| congophilic angiopathy | A condition of blood vessels characterised by deposits in the vessel walls of a substance, usually amyloid, that take a Congo red stain. See: cerebral amyloid angiopathy. (05 Mar 2000) |
| Belgian Congo anaemia | A form of anaemia occurring in natives of Zaire (formerly the Belgian Congo), with associated oedema of subcutaneous tissues, depigmented regions in the skin, and various gastrointestinal disturbances; thought to result from deficiencies in nutrition. Synonym: Belgian Congo anaemia. (05 Mar 2000) |
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| Bennhold's Congo red stain | <technique> An amyloid stain useful for amyloid detection in pathologic tissue; gives red staining of amyloid; also induces green birefringence to amyloid under polarised light. (05 Mar 2000) |
| Crimean-Congo haemorrhagic fever | A form of haemorrhagic fever distinct from Omsk haemorrhagic fever, occurring in central Russia, transmitted by species of the tick Hyalomma, and caused by Crimean-Congo haemorrhagic fever virus, a member of the Bunyaviridae family; horses are the chief reservoir of human infection; characterised by abrupt onset, high fever, headache, myalgia, widespread petechial haemorrhagic lesions, gastrointestinal bleeding, high fatality rate. Synonym: African tick fever. (05 Mar 2000) |
| Crimean-Congo haemorrhagic fever virus | A virus of the genus Nairovirus (family Bunyaviridae) from Africa and the southern USSR, carried by ticks (Hyalomma and Amblyomma) and found in human blood; the cause of Crimean-Congo haemorrhagic fever. (05 Mar 2000) |
| haemorrhagic fever virus, crimean-congo | The type species of nairovirus of the family bunyaviridae isolated from febrile patients in africa. It is primarily transmitted by ticks and causes a severe, often fatal disease in humans. (12 Dec 1998) |
| democratic republic of the congo | A republic in central africa, south of the central african republic and north of angola and zambia. Its name changes bespeak its history: 1885-1908 congo free state, 1908-60 belgian congo, 1960-71 democratic republic of the congo, 1971-97 zaire. It changed its name back to democratic republic of the congo in 1997. The name zaire is an alternate name for the congo river from nzai, a kikongo dialect form of nazdi, river. (12 Dec 1998) |