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Urlsperger, J. A. ... user-created content
Urlsperger, J. A.
(from the article "Protestantism") ...was another representative of the antirationalist mood of the dawn of the 19th century. Johann Friedrich Oberlin (1740-1826) mixed his biblicistic piety with a concern for social missions. J.A. Urlsperger ...
Urmia, Lake
lake in northwestern Iran that is the largest lake in the Middle East. It covers an area that varies from 2,000 to 2,300 square miles (5,200 to 6,000 square km). ... [3 Related Articles]
Urmson, J. O.
(from the article "Utilitarianism") ...of science and moralist, and by Patrick Nowell-Smith, a moralist of the Oxford linguistic school; by the interpretation of Mill as a "rule" Utilitarian by another Oxford Analyst, J.O. Urmson; ...
urn moss
any plant of the genus Physcomitrium (subclass Bryidae), characterized by urn-shaped or top-shaped capsules (spore cases) with lobed, hoodlike coverings. Fewer than 10 of the 68 species are native to ...
urna
(from the article "measurement system") ...for dry products and the quartarus, sextarius, congius, urna, and amphora for liquids. Since all ...
urnfield
(from the article "Urnfield culture") a Late Bronze Age culture of Europe, so called because of the custom of placing the cremated bones of the dead in urns. The Urnfield culture first appeared in east-central ...
Urnfield culture
a Late Bronze Age culture of Europe, so called because of the custom of placing the cremated bones of the dead in urns. The Urnfield culture first appeared in east-central ... [7 Related Articles]
Urnochitina urna
(from the article "Pridoli Series") ...biozone, in short, constitutes the global stratotype section and point (GSSP) for the base of the series. In addition, two species of chitinozoans (a type of marine plankton), Urnochitina urna ...
urobilin
(from the article "renal system") ...and in malignant malaria (blackwater fever). Fresh blood may derive from bleeding in the urinary tract. Bile salts and pigments are increased in jaundice, particularly the obstructive variety; urobilin is ...
urochrome
(from the article "renal system") ...is commonly present on babies' diapers. Certain foods and drugs may cause distinctive odours. The colour of urine depends on its concentration but is normally a bright clear yellow from ...
Urocoptidae
(from the article "gastropod") Large, often arboreal snails of Melanesia and Neotropica (Bulimulidae); long, cylindrical snails of West Indies and Central America (Urocoptidae).A group of 3 superfamilies.
Urocystales
(from the article "fungus") Parasitic (dikaryotic phase) and saprobic (haploid phase); includes smut fungi; contains two orders.Parasitic on plants such as arrowhead, causing blister smut, and wheat, causing flag smut; mycelia may form ...
Urodacidae
(from the article "scorpion") ...Greece. Female reproductive system includes an ovariuterus, with yolk-poor ova developing within. Hadrurus the largest in the United States.20 species found only in Australia. 18 species found in ...
Urodela
(from the article "amphibian") ...members of frogs and salamanders are placed in the orders Anura and Caudata, respectively. To accommodate the earlier and now extinct proto-frogs and proto-salamanders, the group names Salientia and Urodela ...
urogenital cloaca
(from the article "reproductive system disease") ...common than in the male. Epispadias is also present in the female. Reconstructive surgery is the only method of treatment. One of the rarest and most severe of the urogenital-tract ...
urogenital diaphragm
(from the article "renal system") ...and is spindle-shaped; its middle portion is the widest and most dilatable part of the urethra. The membranous part of the male urethra is in the area between the two ...
urogenital malformation
any defect in the organs and tissues responsible for the formation and excretion of urine or in the sex organs or in both. Some of the more important conditions include: ...
urogenital system
in vertebrates, the organs concerned with reproduction and urinary excretion. Although their functions are unrelated, the structures involved in excretion and reproduction are morphologically associated and often use common ducts. ... [5 Related Articles]
urography
X-ray examination of any part of the urinary tract after introduction of a radiopaque substance (often an organic iodine derivative) that casts an X-ray shadow. This contrast fluid, which passes ... [1 Related Articles]
urohypophysis
(from the article "hormone") The urohypophysis, an organ found only in elasmobranch and bony fishes, probably developed independently in each group. The neurosecretory cells comprising the urohypophysis are concentrated at the hind end of ...
urokinase
(from the article "drug") Urokinase, a protease enzyme that activates plasminogen directly, is obtained from tissue culture of human kidney cells. Urokinase lyses recently formed pulmonary emboli and, compared with streptokinase, it produces fibrinolysis ...
urology
medical specialty involving the diagnosis and treatment of diseases and disorders of the urinary tract and of the male reproductive organs. (The urinary tract consists of the kidneys, the bladder, ...
uromelia
(from the article "malformation") ...has always attracted special interest, occurs when the lower extremities are more or less united, as in the mythical figures of sirens or mermaids. Such sirenoid individuals may have a ...
uronic acid
(from the article "carbohydrate") When the terminal group (CH2OH) of a monosaccharide is oxidized chemically or biologically, a product called a uronic acid is formed. Glycosides that are derived from D-glucuronic acid (the uronic ...
Urophycis
(from the article "hake") In eastern North America, the name hake is also applied to several marine food fishes related to Merluccius but placed in the genus Urophycis. These fishes resemble Merluccius but are ...
uropod
(from the article "crustacean") ...crabs and crayfish the first two pairs in the male are modified to help in sperm transfer during mating. The last pair of abdominal limbs is frequently different from the ...
Uropsilus
(from the article "mole") Asian, Japanese, and American shrew moles (genera Uropsilus, Urotrichus, and Neurotrichus, respectively) differ from typical moles in that they resemble shrews and are much less specialized for burrowing. Their tails ...
Uros, Symeon
(from the article "Greece, history of") ...Orsini of Epirus. In 1335 Thessaly was retaken by the Byzantine Empire, and from 1348 it acknowledged the overlordship of the Serbian ruler Stefan IV. After his death (1355) the ...
uroscopy
(from the article "diagnosis") From the Middle Ages to the 18th century, uroscopy (examination of the urine) was a common method for diagnosing illness. The colour of the urine, as well as cloudiness, precipitates, ...
urostomy
(from the article "urostomy") the surgical formation of a new channel for urine and liquid wastes following the removal of the bladder or ureters. See ostomy.bladder cancer treatment
Urotrichus
(from the article "mole") Asian, Japanese, and American shrew moles (genera Uropsilus, Urotrichus, and Neurotrichus, respectively) differ from typical moles in that they resemble shrews and are much less specialized for burrowing. Their tails ...
Urquhart, Jane
(from the article "Literature") ...of his wife, Penelope. Victorian London was the setting for Audrey Thomas's Tattycoram, in which Charles Dickens played a pivotal role, and 19th-century Ontario formed the backdrop of Jane Urquhart's ...
Urquhart, Sir Thomas
Scottish author best known for his translation of the works of Francois Rabelais, one of the most original and vivid translations from any foreign language into English. [1 Related Articles]
Urquijo, Mariano de
(from the article "Humboldt, Alexander von") ...shut off from the outside world, they offered enormous possibilities to a scientific explorer. Humboldt's social standing assured him of access to official circles, and in the Spanish prime minister ...
Urquiza, Justo Jose de
soldier and statesman who overthrew the powerful Argentine dictator Juan Manuel de Rosas and laid the constitutional foundations of modern Argentina. [4 Related Articles]
urraca
(from the article "El Salvador") ...most Central American countries. Rodents, reptiles, and insects of many kinds, however, are common. There is a wide variety of birdlife, which includes wild duck, the white and the royal ...
Urraca
queen of Leon and Castile from 1109 to 1126, daughter of Alfonso VI. [4 Related Articles]
Urrea, Luis Alberto
(from the article "Literature") In his much-praised novel The Hummingbird's Daughter, Luis Alberto Urrea beautifully combined family and Mexican history.Mexico was too big. It had too many colors. It was noisier than anyone could ...
Urrutia y Montoya, Ignacio Jose de
(from the article "Latin American literature") ...in pro-independence movements.) He is best known for his 1785 essay Idea del valor de la Isla Espanola ("An Idea of Hispaniola's Value"). The Cuban Ignacio Jose ...
Urrutia, Osmani
(from the article "Baseball") ...Nacional (National Series) championship. Santiago had defeated Granma three games to none in the quarterfinals and Villa Clara four games to none in the semifinals to advance. Las Tunas outfielder ...
Ursa Major
in astronomy, a constellation of the Northern Hemisphere, at about 10 hours 40 minutes right ascension (the coordinate on the celestial sphere analogous to longitude on the Earth) and 56° ... [4 Related Articles]
Ursa Major cluster
(from the article "star cluster") ...bright stars. Colour-magnitude diagrams, fitted to a standard plot of the main sequence, provide a common and reliable tool for determining distance. The nearest open cluster is the nucleus of ...
Ursa Minor
in astronomy, a constellation of the northern sky, seven of whose stars outline the Little Dipper. Polaris (Alpha Ursae Minoris), at the end of the Little Dipper's handle, marks (roughly) ... [2 Related Articles]
Ursaka
(from the article "Taxila") ...in Kharoshti and a small gold casket containing some bone relics of the Buddha were found in one of the chapels. The inscription refers to the enshrinement of the relics ...
Urseren valley
(from the article "Switzerland") ...[4,478 metres]), long a symbol of Switzerland. The northern and southern Swiss Alps are separated by the trough formed by the Rhone and upper Rhine valleys, the narrowest portion being ...
Urshu
(from the article "Anatolia") ...The priority given to this town would suggest an approach to Syria through Cilicia and by the Belen Pass over the Nur Mountains. Two other cities, Igakalis and Taskhiniya, remain ...
Ursino Castle
(from the article "Catania") ...the centre of the city has a distinctly 18th-century appearance. Ancient remains include the ruins of Greek and Roman theatres, and a Roman amphitheatre, basilica, baths, and aqueducts. The Ursino ...
Ursins, Marie-Anne de la Tremoille, princesse des
(princess of the) French noblewoman who exercised great influence in the government of Spain between 1701 and 1714, during the period of the War of the Spanish Succession.
Ursinus
antipope from 366 to 367. [1 Related Articles]
Ursinus, Fulvius
(from the article "classical scholarship") ...manuscripts available, in a reaction against the excessive emendation of earlier scholars. Francesco Robortello (1516-67) also did important work on Aeschylus and Aristotle's Poetics. Fulvius Ursinus (1529-1600) built up the ...
Ursinus, Zacharias
(from the article "Heidelberg Catechism") Reformed confession of faith that is used by many of the Reformed churches. It was written in 1562 primarily by Caspar Olevianus, the superintendent of the Palatinate church, and Zacharias ...
Urso, Camilla
American musician who was recognized as one of the finest violinists of the latter half of the 19th century.
Ursua, Pedro de
(from the article "Aguirre, Lope de") ...in Peru and took part in the Spanish suppression of Indian rebellions and in the wars that continually broke out between the Spanish conquerors. On Sept. 26, 1560, he joined ...
Ursula, Saint
legendary leader of 11 or 11,000 virgins reputedly martyred at Cologne, now in Germany, by the Huns, 4th-century nomadic invaders of southeastern Europe. The story is based on a 4th- ... [3 Related Articles]
Ursuline
a Roman Catholic religious order of women founded at Brescia, Italy, in 1535, by St. Angela Merici, as the first institute for women dedicated exclusively to the education of girls. ... [1 Related Articles]
Urtaku
(from the article "Mesopotamia, history of") ...only as governor of Babylonia and through his policies obtained the support of the cities of Babylonia. At the beginning of his reign the Aramaean tribes were still allied with ...
Urtica dioica
(from the article "angiosperm") ...prevent a toxic internal accumulation of salt. In other cases, trichomes help prevent predation by insects, and many plants produce secretory (glandular) or stinging hairs (e.g., stinging nettle, Urtica dioica; ...
Urticaceae
the nettle family comprising about 45 genera of herbs, shrubs, small trees, and a few vines, distributed primarily in tropical regions. The family is typical of the nettle order (Urticales). ... [3 Related Articles]
urticaria bullosa
(from the article "hives") Several specific causes of hives, as well as variant forms of its typical skin lesions, are denoted by qualifying the term urticaria with a descriptive word. Examples ...
urticaria subcutanea
(from the article "hives") ...include urticaria bullosa, a rare type of allergic reaction characterized by the appearance of bullae or vesicles (large or small blisters); solar urticaria, produced by exposure to sunlight; and urticaria ...
Urticineae
(from the article "Rosales") Plants of the remaining families in Rosales (Ulmaceae, Cannabaceae, Moraceae, and Urticaceae-often referred to as the suborder Urticineae) are evergreen or deciduous trees, shrubs, vines (both woody and herbaceous), or ...
urtite
(from the article "ijolite") ...U.S. The ijolites of Magnet Cove, Ark., U.S.; Ice River, B.C., Can.; and Sekukuniland, Transvaal, S. Afr., are among the better-known representatives found in rock collections. The rocks known as ...
Uru
(from the article "Titicaca, Lake") The remnants of an ancient people, the Uru, still live on floating mats of dried totora (a reedlike papyrus that grows in dense brakes in the marshy shallows). From the ...
Uruapan
city, west-central Michoacan estado (state), west-central Mexico. Founded in 1533, Uruapan (from a Tarascan Indian term meaning "where the flowers abound") is famous for its Spanish-colonial atmosphere and colourful lacquerware ...
Urubamba River
river in the Amazon drainage system, rising in the Andes of southern Peru. It flows for about 450 miles (725 km) to its junction with the Apurimac, where it forms ...
Urucuia
(from the article "Sao Francisco River") ...and Bahia, through the extensive Sobradinho Reservoir, to the twin cities of Juazeiro and Petrolina. In this stretch the river receives its main left-bank tributaries-the Paracatu, Urucuia, Corrente, and Grande ...
Uruguaiana
city, western Rio Grande do Sul estado (state), southern Brazil. It lies along the Uruguay River, across the bridge from the town of Paso de los Libres, ... [1 Related Articles]
Uruguay
country located on the southeastern coast of South America. The second smallest nation on the continent, Uruguay has long been overshadowed politically and economically by the adjacent republics of Brazil ... [36 Related Articles]
Uruguay River
river in southern South America that rises in the coastal range of southern Brazil. Its chief headstream, the Pelotas River, rises just 40 miles (64 km) from the Atlantic coast ... [5 Related Articles]
Uruguay Round
(from the article "intellectual-property law") The Agreement on Trade-Related Aspects of Intellectual Property Rights (commonly known as TRIPS) has contributed greatly to the expansion of intellectual-property law. Negotiated as part of the Uruguay Round (1986-94) ...
Uruguay, flag of
national flag consisting of five white stripes and four blue stripes arranged horizontally and a white canton bearing a golden "Sun of May." The flag's width-to-length ratio is 2 to ...
Uruguay, history of
(from the article "Uruguay") Before the arrival of Europeans, the territory that is now Uruguay supported a small population estimated at no more than 5,000 to 10,000. The principal groups were the seminomadic Charrua, ...
Uruk Vase
(from the article "Mesopotamian religion") ...all major sites-e.g., Eridu, Ur, Nippur, Babylon, Ashur, Kalakh (biblical Calah), Nineveh-as well as numerous works of art from various periods, are important sources of information. The Uruk Vase, with ...
UruKAgina
(from the article "Mesopotamia, history of") ...On the other hand, there is the archive of some 1,200 tablets-insofar as these have been published-from the temple of Baba, the city goddess of Girsu, from the period of ...
Urukug
(from the article "Bau") in Mesopotamian religion, city goddess of Urukug in the Lagash region of Sumer and, under the name Nininsina, the Queen of Isin, city goddess of Isin, south of Nippur. In ...
Urumqi
city and capital of the Uygur Autonomous Region of Xinjiang, northwestern China. The city (whose name in Uighur means "Fine Pasture") is situated in a fertile belt of oases along ... [3 Related Articles]
Urusemal, Joseph J.
(from the article "Micronesia, Federated States of") Area: 701 sq km (271 sq mi) | Population (2007 est.): 111,000 | Capital: Palikir, on Pohnpei | Head of state and government: Presidents Joseph J. Urusemal and, from May ...
urushiol
(from the article "immune system disorder") ...examples of a plant that can provoke a contact hypersensitivity reaction is poison ivy (Toxicodendron radicans), found throughout North America. It secretes an oil called urushiol, which ...
Urzana
(from the article "Musasir") ...BC and is known primarily from reliefs and inscriptions of the Assyrian king Sargon II, who captured it in 714. According to the inscription, Sargon first plundered the palace storerooms ...
US Airways
American airline incorporated on March 5, 1937, as All American Aviation, Inc.; the airline was renamed All American Airways, Inc., in 1948, Allegheny Airlines, Inc., in 1953, and USAir, Inc., ... [3 Related Articles]
Usa
city, Oita ken (prefecture), northern Kyushu, Japan; it lies 24 miles (39 km) northwest of the prefectural capital Oita. The city developed around the site of the first and most ...
USA Patriot Act
(from the article "United States") A month later Congress overwhelmingly approved reauthorization of the Patriot Act, initially enacted after the 2001 terrorism attacks. The law, which had attracted widespread criticism, was changed only modestly to ...
USA Volleyball
(from the article "volleyball") ...York City in 1922. The United States Volleyball Association (USVBA) was formed in 1928 and recognized as the rules-making, governing body in the United States. From 1928 the USVBA-now known ...
USA Water Ski
(from the article "waterskiing") USA Water Ski, founded in 1939, with headquarters at Winter Haven, Fla., sponsors and promotes both recreational and competitive waterskiing and is the governing body for competitive waterskiing standards in ...
usage labeling
(from the article "dictionary") Part of the information that a dictionary should give concerns the restrictions and constraints on the use of words, commonly called usage labelling. There is great variation in language use ...
Usages of Barcelona
(from the article "Spain") ...Catalan interests and relationships among the lords of Languedoc in southern France. He also published the earliest legal texts included in the compilation of Catalan law later known as the ...
Usak
city in the interior of western Turkey, at an elevation of 2,976 feet (907 metres) above sea level. Situated in a region that was once part of the Hittite empire, ...
Usakligil, Halit Ziya
writer who is considered the first true exponent in Turkey of the novel in its contemporary European form.
Usamah ibn Munqidh
(from the article "Islamic arts") ...prose and at the same time one of the comparatively rare examples of Islamic autobiographical literature. The classic example in this genre, however, was a lively Arabic autobiography by Usamah ...
use
in medieval English property law, the right of one person to take the profits of land belonging to another. It involved at least two and usually three persons. One man ... [3 Related Articles]
use and disuse, law of
(from the article "genetics") ...but as a model for evolution. He lived at a time when the fixity of species was taken for granted, yet he maintained that this fixity was only found in ...
Use of Sarum
(from the article "church year") ...of the 6th century, when it was reduced-probably by Pope Gregory I the Great-to four weeks before Christmas. The longer Gallican season left traces in medieval service books, notably the ...
use tax
levy on the use or possession of a commodity. Under the principle that the taxpayer should pay according to the benefits received from public services, a use tax is often ... [1 Related Articles]
used book
(from the article "Media and Publishing") BISG reported that used books were one of the fastest-growing segments of the industry, driven by large increases in online sales and characterized by positive purchasing experiences for consumers. In ...
usekh
(from the article "jewelry") ...of beads in different shapes and colours, with a pendant and with a decorated fastening that hung down behind the shoulders. The other, much more widely used throughout the whole ...
Usener, Hermann
(from the article "classical scholarship") ...fragments of pre-Socratic philosophers and of the so-called doxographers who preserved much of the evidence for our knowledge of ancient philosophy. The texts relevant to Epicureanism were edited by Hermann ...
USENET
(from the article "Social Networking-Making Connections on the Web") ...social networks appeared almost as soon as the technology could support them. E-mail and chat programs debuted in the early 1970s, but persistent communities did not surface until the creation ...
user customer
(from the article "marketing") Customers for industrial goods can be divided into three groups: user customers, original-equipment manufacturers, and resellers. User customers make use of the goods they purchase in their own businesses. An ...
user interface
(from the article "telecommunications network") User interface with the network is performed by the session layer, which handles the process of connecting to another computer, verifying user authenticity, and establishing a reliable communication process. This ...
user orientation
(from the article "systems engineering") The stress on systems objectives has one further consequence worth mentioning; i.e., that systems engineering is likely to be strongly user-oriented. This results naturally enough from the fact that systems ...
user-created content
(from the article "Web 2.0") ...in 2004, the term was defined by "the web as platform." This, however, was augmented the following year with a still more nebulous expression incorporating the idea of democracy and ...