| ABLB | alternate binaural loudness balance |
|---|---|
| ADT | Accepted Dental Therapeutics; adenosine triphosphate; admission, discharge, transfer; agar-gel diffu... |
| Alt, alt | aluminum tartrate; alternate; altitude |
| AMLB | alternate monoaural loudness balance |
| AMR | acoustic muscle reflex; activity metabolic rate; acute mitral stenosis; alopecia-mental retardation ... |
| AGT | Average generation time |
|---|---|
| F1 | First generation |
| HG-AAS | Hydride-generation atomic absorption spectrometry |
| SHG | Second harmonic generation |
| alternate | Cause to occur or appear one after the other. (18 Nov 1997) |
|---|---|
| alternate binaural loudness balance test | ABLB test, a test for recruitment in one ear; the comparison of relative loudness of a series of intensities presented alternately to either ear. (05 Mar 2000) |
| alternate cover test | A test to detect phoria or strabismus; attention is directed to a small fixation object, and one eye is covered for several seconds; then the cover is moved quickly to the other eye; if the eye moves when it is uncovered, a strabismus or phoria is present. (05 Mar 2000) |
| alternate day strabismus | Periodic convergent strabismus often occurring every 48 hours. Synonym: alternate day strabismus. (05 Mar 2000) |
| binaural alternate loudness balance test | A test for recruitment in one ear; the comparison of relative loudness of a series of intensities presented alternately to either ear. Synonym: BALB test. (05 Mar 2000) |
| antidepressive agents, second-generation | A structurally and mechanistically diverse group of drugs that are not tricyclics or monoamine oxidase inhibitors. The most clinically important appear to act selectively on serotonergic systems, especially by inhibiting serotonin reuptake. (12 Dec 1998) |
| asexual generation | Reproduction by fission, gemmation, or in any other way without union of the male and female cell, or conjugation. See: parthenogenesis. Synonym: heterogenesis, nonsexual generation. (05 Mar 2000) |
| generation | 1. The act of generating or begetting; procreation, as of animals. 2. Origination by some process, mathematical, chemical, or vital; production; formation; as, the generation of sounds, of gases, of curves, etc. 3. That which is generated or brought forth; progeny; offspiring. 4. A single step or stage in the succession of natural descent; a rank or remove in genealogy. Hence: The body of those who are of the same genealogical rank or remove from an ancestor; the mass of beings living at one period; also, the average lifetime of man, or the ordinary period of time at which one rank follows another, or father is succeeded by child, usually assumed to be one third of a century; an age. "This is the book of the generations of Adam." (Gen. V. 1) "Ye shall remain there [in Babylon] many years, and for a long season, namely, seven generations." (Baruch vi. 3) "All generations and ages of the Christian church." (Hooker) 5. Race; kind; family; breed; stock. "Thy mother's of my generation; what's she, if I be a dog?" (Shak) 6. <geometry> The formation or production of any geometrical magnitude, as a line, a surface, a solid, by the motion, in accordance with a mathematical law, of a point or a magnitude; as, the generation of a line or curve by the motion of a point, of a surface by a line, a sphere by a semicircle, etc. 7. <biology> The aggregate of the functions and phenomene which attend reproduction. There are four modes of generation in the animal kingdom: scissiparity or by fissiparous generation, gemmiparity or by budding, germiparity or by germs, and oviparity or by ova. <biology> Alternate generation, the fancied production of living organisms without previously existing parents from inorganic matter, or from decomposing organic matter, a notion which at one time had many supporters; abiogenesis. Origin: OE. Generacioun, F. Generation, fr.L. Generatio. Source: Websters Dictionary (01 Mar 1998) |
| generation effect | Variation in health status arising from the different causal factors of disease to which each successive generation born is exposed as it passes through life. (05 Mar 2000) |
| generation time | <cell biology> Time taken for a cell population to double in numbers and thus equivalent to the average length of the cell cycle. (18 Nov 1997) |
| parental generation | The parents of a mating, commonly experimental, involving contrasting genotypes; the original mating of a genetic experiment; parents of the F1 generation. (05 Mar 2000) |
| virgin generation | <biology> Development of an ovum without fusion of its nucleus with a male pronucleus to form a zygote. (18 Nov 1997) |
| sexual generation | Reproduction by conjugation, or the union of male and female cells, as opposed to asexual generation. (05 Mar 2000) |
| skipped generation | A phenomenon of pedigrees in which a gene is transmitted from one affected person to another through a phenotypically unaffected person, as by recessivity (especially for X-linked traits), epistasis, variable expressivity, or absence of an environmental challenge such as a toxin. Except at a crass phenotypic level (e.g., clinical or commercial) this term becomes progressively less useful as the mechanisms are elucidated. (05 Mar 2000) |
| spontaneous generation | The obsolete hypothesis that living organisms can originate from nonliving matter. (09 Oct 1997) |
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