| population surveillance | <epidemiology> Ongoing scrutiny of a population (general population, study population, target population, etc.), generally using methods distinguished by their practicability, uniformity, and frequently their rapidity, rather than by complete accuracy. (12 Dec 1998) |
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| suburban population | The inhabitants of peripheral or adjacent areas of a city or town. (12 Dec 1998) |
| synchronous cell population | <cell culture> A culture of cells that all divide in synchrony. Particularly useful for certain studies of the cell cycle, cells can be made synchronous by depriving them of essential molecules, which are then restored. Synchronisation breaks down after a few cycles, however, as individual cells have unique division rates. (19 Jan 1998) |
| q in population genetics | The frequency of the less common of two different alternative (allelic) versions of a gene. (the frequency of the more common allele is p). (12 Dec 1998) |
| topotypical population | <zoology> Population occurring at the type locality from which the type specimen was taken. (09 Jan 1998) |
| urban population | The inhabitants of a city or town, including metropolitan areas and suburban areas. (12 Dec 1998) |
| virgin islands of the united states | A group of islands in the lesser antilles in the west indies, the three main islands being st. Croix, st. Thomas, and st. John. The capital is charlotte amalie. The virgin islands were discovered by columbus in 1493. Before 1917 the u.s. Virgin islands were held by the danish and called the danish west indies but the name was changed when the united states acquired them by purchase. Virgin refers to the fact that columbus made his discovery on st. Ursula's day - virgins being her legendary companions - or to the resemblance of the chain of islands to a procession of nuns or virgins. (12 Dec 1998) |
| midwestern united states | The geographic area of the midwestern region of the united states in general or when the specific state or states are not indicated. The states usually included in this region are illinois, indiana, iowa, kansas, kentucky, michigan, minnesota, missouri, nebraska, ohio, oklahoma, north dakota, south dakota and wisconsin. (12 Dec 1998) |
| southeastern united states | The geographic area of the southeastern region of the united states in general or when the specific state or states are not included. The states usually included in this region are alabama, arkansas, florida, georgia, louisiana, mississippi, north carolina, south carolina, west virginia, and virginia. (12 Dec 1998) |
| southwestern united states | The geographic area of the southwestern region of the united states. The states usually included in this region are arizona, california, colourado, nevada, new mexico, texas, and utah. (12 Dec 1998) |
| northwestern united states | The geographic area of the northwestern region of the united states. The states usually included in this region are idaho, montana, oregon, washington, and wyoming. (12 Dec 1998) |
| united | Combined; joined; made one. United Brethren. <botany> See Moravian, United flowers, those members of the Greek Church who acknowledge the supremacy of the pope; called also uniats. Source: Websters Dictionary (01 Mar 1998) |
| united arab emirates | A federation of seven states on the southeast portion of the arabian peninsula: abu dhabi, ajman, dubai, fujairah, ras al-khaimah, sharjah and umm al-qaiwain. In 1820 a treaty of peace was concluded between great britain and native rulers. During the 19th century the rulers agreed to suppression of the slave trade and restriction of foreign relations to great britain. The trucial council was established in 1952 and defense treaties with great britain terminated. In 1971 an independent six-member federation was formed, with ras al-khaimah joining the federation in 1972. (12 Dec 1998) |
| United States Adopted Names | Designation for nonproprietary names (for drugs) adopted by the USAN Council in cooperation with the manufacturers concerned; the designation USAN is applicable only to nonproprietary names coined since June 1961. (05 Mar 2000) |
| united states agency for health care policy and research | An agency of the public health service established in 1990 to "provide indexing, abstracting, translating, publishing, and other services leading to a more effective and timely dissemination of information on research, demonstration projects, and evaluations with respect to health care to public and private entities and individuals engaged in the improvement of health care delivery.." it supersedes the national centre for health services research. (12 Dec 1998) |