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Flathead, river, Canada and the United States

(Encyclopedia)Flathead flătˈhĕd [key], river, c.240 mi (390 km) long, rising as the North Fork, in SE British Columbia, Canada, and flowing generally SE through NW Montana, to Coram, where it is joined by the Mi...

pathology

(Encyclopedia)pathology, study of the cause of disease and the modifications in cellular function and changes in cellular structure produced in any cell, organ, or part of the body by disease. The changes in tissue...

tamoxifen

(Encyclopedia)tamoxifen təmŏkˈsĭfĕnˌ [key], synthetic hormone used in the treatment of breast cancer. Introduced in 1978, tamoxifen is used to prevent recurrences of cancer in women who have already undergone...

fatigue, in physiology

(Encyclopedia)fatigue, in physiology, inability to perform reasonable and necessary physical or mental activity. Muscle fatigue, for example, results when the contractile properties of muscle are reduced, and conti...

Council for Mutual Economic Assistance

(Encyclopedia)Council for Mutual Economic Assistance (COMECON or MEA), international organization active between 1956 and 1991 for the coordination of economic policy among certain nations then under Communist domi...

church, building for Christian worship

(Encyclopedia)church [Gr. kuriakon=belonging to the Lord], in architecture, a building for Christian worship. The earliest churches date from the late 3d cent.; before then Christians, because of persecutions, wors...

International Fund for Agricultural Development

(Encyclopedia)International Fund for Agricultural Development(IFAD), specialized agency of the United Nations with headquarters in Rome, Italy. IFAD grew out of the 1974 World Food Conference; it was established in...

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