| EEE | eastern equine encephalitis; eastern equine encephalomyelitis; experimental enterococcal endocarditi... |
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| ECOG | Eastern Cooperative Oncology Group |
| HFRS | Hemorrhagic Fever with Renal Syndrome [HP 849-50] = Korean Hemorrhagic Fever &nbs... |
| ECOG | Eastern Cooperative Oncology Group |
| EEEV | eastern equine encephalomyelitis virus |
| CEE | Central and Eastern Europe |
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| CHEOPS | Children's Hospital of Eastern Ontario Pain Scale |
| ECOG | Eastern (Cooperative Oncology Group |
| EEE | Eastern Equine Encephalitis |
| EMR | Eastern Mediterranean Region |
| africa, eastern | The geographical area of africa comprising burundi, djibouti, ethiopia, kenya, rwanda, somalia, sudan, tanzania, and uganda. (12 Dec 1998) |
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| rickettsioses of the eastern hemisphere, tick-borne | There are 3 known diseases caused by infection with rickettsial agents> They are north asian tick-borne rickettsiosis, queensland tick typhus, and african tick typhus (fi |
| sakuc horizon | <chemistry> A layer 6 inches or more thick comprised of secondary soluble salts. (17 Dec 1997) |
| horizon | 1. The circle which bounds that part of the earth's surface visible to a spectator from a given point; the apparent junction of the earth and sky. "And when the morning sun shall raise his car Above the border of this horizon." (Shak) "All the horizon round Invested with bright rays." (Milton) 2. <astronomy> The unbroken line separating sky and water, as seen by an eye at a given elevation, no land being visible. 3. <geology> The epoch or time during which a deposit was made. "The strata all over the earth, which were formed at the same time, are said to belong to the same geological horizon." (Le Conte) 4. The chief horizontal line in a picture of any sort, which determines in the picture the height of the eye of the spectator; in an extended landscape, the representation of the natural horizon corresponds with this line. Apparent horizon. See Apparent. Artificial horizon, a level mirror, as the surface of mercury in a shallow vessel, or a plane reflector adjusted to the true level artificially; used chiefly with the sextant for observing the double altitude of a celestial body. Celestial horizon. <astronomy> See def. 2, above. Visible horizon. See definitions 1 and 2, above. Origin: F, fr. L. Horizon, fr. Gr. (sc) the bounding line, horizon, fr. To bound, fr. Boundary, limit. Source: Websters Dictionary (01 Mar 1998) |
| soil horizon | A distinct layer of soil, more or less parallel with the soil surface, having similar properties such as colour, texture and permeability, the soil profile is subdivided into the following major horizons: A-horizon, characterised by an accumulation of organic material. B-horizon, characterised by relative accumulation of clay iron, organic matter or aluminum. C-horizon, the undisturbed and unaltered parent material. (Some soils have an E-horizon, characterised by leaching of organic and other material.) (09 Oct 1997) |
| spodic horizon | A subsurface layer of soil characterised by the accumulation of aluminum oxides (with or without iron oxides) and organic matter, a diagnostic horizon for spodosols. (09 Oct 1997) |
| Streeter's developmental horizon | A term borrowed from geology and archeology by Streeter to define 23 developmental stages in young human embryos, from fertilization through the first 2 months; each horizon spanned 2 to 3 days and emphasized specific anatomic characteristics, to avoid discrepancies in the determination of age and body dimensions. Origin: G.L. Streeter (05 Mar 2000) |
| eastern equine encephalomyelitis | A form of mosquito-borne equine encephalomyelitis seen in the eastern U.S. And caused by the eastern equine encephalomyelitis virus, a species of Alphavirus, which belongs to the family Togaviridae; initial fever and viraemia are followed by signs of central nervous system involvement (excitement, then somnolence, paralysis, and death); the incidence of clinical infection in man is low but case fatality may be high. (05 Mar 2000) |
| eastern equine encephalomyelitis virus | A virus of the genus Alphavirus (formerly group A arbovirus), in the family Togaviridae, occurring in the eastern United States; it is normally present in certain wild birds as an inapparent infection, but is capable of causing eastern equine encephalomyelitis in horses and humans following transfer by the bites of culicine mosquitoes. Synonym: EEE virus. (05 Mar 2000) |
| tick-borne rickettsioses of the eastern hemisphere | Thare are 3 known diseases caused by infection with rickettsial agents. They are north asian tick-borne rickettsiosis, queensland tick typhus, and african tick typhus (fi |
| encephalitis virus, eastern equine | A species of alphavirus causing encephalomyelitis in equidae and humans. The virus ranges along the atlantic seaboard of the united states and canada and as far south as the caribbean, mexico, and parts of central and south america. Infections in horses show a mortality of up to 90 percent and in humans as high as 80 percent in epidemics. (12 Dec 1998) |
| type horizon | <zoology> The geological stratum from which the name-bearing type of a nominal species or subspecies was collected. (09 Jan 1998) |
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