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Ghor, the

(Encyclopedia)Ghor, the, Arabic Al Ghawr, region of the Jordan Valley, c.70 mi (110 km) long, between the Sea of Galilee (Lake Tiberias) and the Dead Sea, on the border of Jordan and Israel and the West Bank. Entir...

Finger Lakes

(Encyclopedia)Finger Lakes, group of 11 narrow glacial lakes in north to south valleys, W central N.Y. Cayuga and Seneca lakes, both more than 35 mi (56 km) long, are the largest and deepest. Keuka Lake is the cent...

San Juan del Norte

(Encyclopedia)San Juan del Norte sän hwän dĕl nôrˈtā [key], small town, SE Nicaragua, on the Caribbean Sea. Small quantities of bananas and hardwoods are exported. Also called Greytown, it was occupied (1848)...

Tver

(Encyclopedia)Tver kəlyēˈnyĭn [key], city (1989 pop. 451,000), capital of Tver region, central European Russia, at the confluence of the Volga and Tver rivers. A major port on the upper Volga, it is linked with...

Pan-American Highway

(Encyclopedia)Pan-American Highway, system of roads, c.16,000 mi (25,750 km) long, linking the nations of the Western Hemisphere. It was suggested at the Fifth International Conference of American States (1923) and...

Ottawa, river, Canada

(Encyclopedia)Ottawa, river, c.700 mi (1,130 km) long, largest tributary of the St. Lawrence River, Canada. It rises in the Laurentian Highlands, SW Que., and flows generally W through La Vérendrye Provincial Park...

Ness, Loch

(Encyclopedia)Ness, Loch lŏkh [key], lake, 22 mi (35 km) long, Highland, N central Scotland, in the Great Glen. More than 700 ft (213 m) deep and ice free, it is fed by the Oich and other streams and drained by th...

Yangzhou

(Encyclopedia)Yangzhou or Yangchow both: yängˈjōˈ [key], city (1994 est. pop. 355,500), Jiangsu prov., China, on the Grand Canal. It is an agricultural market and transportation center with textile and other li...

slipped disc

(Encyclopedia)slipped disc, rupture or herniation of an intervertebral disc. These discs separate and cushion the vertebrae, the segments of the spinal column. They are composed of an outer rim of fibrous connectiv...

spinal puncture

(Encyclopedia)spinal puncture, surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or anesthetics (see anesth...