| EGRA | equilibrium-gated radionuclide angiography |
|---|---|
| MGES | multiple gated equilibrium scintigraphy |
| ST | heat-Stable enteroToxin |
| WPW Syndrome | Wolff-Parkinson-White Syndrome ? CIx 1. Drugs; AV Conduct... |
| ASP | abnormal spinal posture; acute symmetric polyarthritis; African swine pox; aged substrate plasma; al... |
| E.D. | Equilibrium dialysis |
|---|---|
| ERNA | Equilibrium radionuclide angiocardiography |
| ERNA | Equilibrium radionuclide angiography |
| HWE | Hardy-Weinberg Equilibrium |
| OEC | Oxygen equilibrium curves |
| heat-stable | Thermostable Not readily subject to alteration or destruction by heat. Synonym: heat-stable. Origin: thermo-+ L. Stabilis, stable (05 Mar 2000) |
|---|---|
| heat-stable enzyme | <enzyme> An enzyme that is not readily subject to destruction or alteration by heat. Synonym: heat-stable enzyme. (05 Mar 2000) |
| stable | 1. Firmly established; not easily moved, shaken, or overthrown; fixed; as, a stable government. "In this region of chance, . . . Where nothing is stable." (Rogers) 2. Steady in purpose; constant; firm in resolution; not easily diverted from a purpose; not fickle or wavering; as, a man of stable character. "And to her husband ever meek and stable." (Chaucer) 3. Durable; not subject to overthrow or change; firm; as, a stable foundation; a stable position. <mechanics> Stable equibrium, the kind of equilibrium of a body so placed that if disturbed it returns to its former position, as in the case when the center of gravity is below the point or axis of support; opposed to unstable equilibrium, in which the body if disturbed does not tend to return to its former position, but to move farther away from it, as in the case of a body supported at a point below the center of gravity. Cf. Neutral equilibrium, under Neutral. Synonym: Fixed, steady, constant, abiding, strong, durable, firm. Origin: OE. Estable, F. Stable, fr. L. Stabilis, fr. Stare to stand. See Stand, and cf. Establish. A house, shed, or building, for beasts to lodge and feed in; especially, a building or apartment with stalls, for horses; as, a horse stable; a cow stable. <zoology> Stable fly, a common dipterous fly (Stomoxys calcitrans) which is abundant about stables and often enters dwellings, especially in autumn. These files, unlike the common house files, which they resemble, bite severely, and are troublesome to horses and cattle. Origin: OF. Estable, F. Etable, from L. Stabulum, fr. Stare to stand. See Stand. Source: Websters Dictionary (01 Mar 1998) |
| stable angina | <cardiology> Existing angina which is not changing in severity, duration or frequency. (10 Mar 1998) |
| stable colloid | A colloid that is again soluble in water after having been dried at ordinary temperature. Synonym: stable colloid. (05 Mar 2000) |
| stable factor | <chemical> Heat- and storage-stable plasma protein that is activated by tissue thromboplastin to form factor viia in the extrinsic pathway of blood coagulation. The activated form then catalyses the activation of factor x to factor xa. Chemical name: Blood-coagulation factor VII (12 Dec 1998) |
| stable fracture | A fracture that does not tend to displace once it has been reduced and immobilised. (05 Mar 2000) |
| stable isotope | A nonradioactive nuclide; an isotope that shows no tendency to undergo radioactive decomposition. (05 Mar 2000) |
| stable stand | The position of a man who is found at his standing in the forest, with a crossbow or a longbow bent, ready to shoot at a deer, or close by a tree with greyhounds in a leash ready to slip; one of the four presumptions that a man intends stealing the king's deer. Source: Websters Dictionary (01 Mar 1998) |
| acid-base equilibrium | A condition in which the net rate of acid or alkali production by the body is balanced by the net rate of acid or alkali excretion from the body, resulting in a stable concentration of hydrogen ions in the body fluids. (12 Dec 1998) |
| radioactive equilibrium | <radiobiology> That condition in which the activities of the members of a radioactive chain decrease exponentially in time with the half-life of the chain precursor. Such radioactive equilibrium is only possible when the half-life of the precursor is longer than that of any other chain member. If the precursor half-life is so long that the change in the precursor population during the period of interest can be ignored, all the activities become sensibly equal and the equilibrium is said to be secular, otherwise it is said to be transient. (16 Dec 1997) |
| random mating equilibrium | <genetics> In a population containing the genotypes of AA, aa, and Aa, the frequency of AA will be p2, the frequency of aa will be q2, and the frequency of Aa will be 2 pq at equilibrium, where p is the frequency of A and q is the frequency of a. By the Hardy-Weinberg law, a ramdonly-mating population will eventually reach these frequencies and be at this equilibrium as long as there are no selection pressures on the population. (09 Oct 1997) |
| genetic equilibrium | A condition in which the rate of an allele's forward mutation is cancelled out by its rate of reverse mutation. (09 Oct 1997) |
| Gibbs-Donnan equilibrium | An equilibrium established between a charged, immobile colloid (such as clay, ion exchange resin or cytoplasm) and a solution of electrolyte. Characteristics: ions of like charge to the colloid tend to be excluded, ions of opposite charge tend to be attracted, the colloid compartment is electrically polarized relative to the solution in the same direction as the colloid charges (a Donnan potential) and the osmotic pressure is higher in the colloid compartment. (18 Nov 1997) |
| chemical equilibrium | <chemistry> A state in a reversible chemical reaction at which the reactants are turning into products at the same rate as the products are turning back into the reactants, so that the amounts of each reactant and product remains constant. (09 Oct 1997) |
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