| amphotropic packaging cell lines | <cell culture, molecular biology> Clonal entities that express genes or act as viral vectors that infect cell lines to stably infect and then express genes of choice. Usually an amphotropic virus. (04 Nov 1997) |
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| amphotropic virus | An oncornavirus that does not produce disease in its natural host but does replicate in tissue culture cells of the host species and also in cells from other species. (05 Mar 2000) |
| ampicillin | <drug> Penicillin derivative with broad spectrum activity, ampicillin resistance is often used as a marker for plasmid transfer in genetic engineering (for example pBR322 is ampicillin resistant). (13 Nov 1997) |
| ampicillin resistance | Nonsusceptibility of a microbe to the action of ampicillin, a penicillin derivative that interferes with cell wall synthesis. (12 Dec 1998) |
| ample | Large; great in size, extent, capacity, or bulk; spacious; roomy; widely extended. "All the people in that ample house Did to that image bow their humble knees." (Spenser) 2. Fully sufficient; abundant; liberal; copious; as, an ample fortune; ample justice. 3. Not contracted of brief; not concise; extended; diffusive; as, an ample narrative. Synonym: Full, spacious, extensive, wide, capacious, abundant, plentiful, plenteous, copious, bountiful, rich, liberal, munificent. Ample, Copious, Abundant, Plenteous. These words agree in representing a thing as large, but under different relations, according to the image which is used. Ample implies largeness, producing a sufficiency or fullness of supply for every want; as, ample stores or resources, ample provision. Copious carries with it the idea of flow, or of collection at a single point; as, a copious supply of materials. "Copious matter of my song." . Abundant and plenteous refer to largeness of quantity; as, abundant stores; plenteous harvests. Origin: F. Ample, L. Amplus, prob. For ambiplus full on both sides, the last syllable akin to L. Plenus full. See Full, and cf. Double. Source: Websters Dictionary (01 Mar 1998) |
| amplectant | <botany> Clasping a support; as, amplectant tendrils. Origin: L. Amplecti to embrace. Source: Websters Dictionary (01 Mar 1998) |
| amplexicaul | <botany> Of a leaf base: stem-clasping. (13 Nov 1997) |
| amplexus | The pairing of male and female at the time that eggs and sperm are discharged simultaneously in those species, such as frogs, in which fertilization occurs externally. Origin: L. An embrace, fr. Amplector, pp. -plexus, to wind around (05 Mar 2000) |
| ampliate | <zoology> Having the outer edge prominent; said of the wings of insects. Source: Websters Dictionary (01 Mar 1998) |
| amplicon | <molecular biology> A term for any small, replicating DNA fragment. (13 Nov 1997) |
| amplification | <molecular biology> An increase in the number of copies of a specific DNA fragment, can be in vivo or in vitro. See: cloning, polymerase chain reaction. (09 Oct 1997) |
| amplified fragment length polymorphism | <technique> Invented by KeyGene, a Dutch biotech company based in Wageningen, Holland. The technique is now merchandised under licence agreement by Perkin Elmer. Selected markers are amplified in a PCR, which makes amplified fragment length polymorphism an easy and fast tool for strain identification in agriculture, botany, microbiology and animal breeding. Acronym: AFLP (05 Feb 1998) |
| amplifier | <microscopy> When the projected image of the microscope is projected less than 250 mm the objective may be moved enough from its usual position (for visual observation) to degrade the image. It can be restored by adding a lens above the ocular to bring the image into focus on the desired plane but with the objective still in its position of best-corrected image. A similar system requires an ocular in which the same corrections are made. Such lens systems are termed amplifiers. (05 Aug 1998) |
| amplifier host | A host in which infectious agents multiply rapidly to high levels, providing an important source of infection for vectors in vector-borne diseases. (05 Mar 2000) |
| amplifiers | Electronic devices that increase the strength of an input signal, or apparatus for increasing the magnification of a microscope. (12 Dec 1998) |
| ampicillin |
(amp
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| ampicillin sodium |
[USP] the monosodium salt of ampicillin, having the same actions and uses as the base; administered intramuscularly or intravenously.
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| amplification |
(am
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| amplifier |
(am
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| amplitude |
(am
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| AMP | sufficiently |
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| AMP | to an ample degree or in an ample manner |
| AMP | a small bottle that contains a drug (especially a sealed sterile container for injection by needle) |
| AMP | a small bottle that contains a drug (especially a sealed sterile container for injection by needle) |
| AMP | a small bottle that contains a drug (especially a sealed sterile container for injection by needle) |
| AMP | a flask that has two handles |
| AMP | the dilated portion of a canal or duct especially of the semicircular canals of the ear |
| AMP | (anatomy) of or related to an ampulla |
| AMP | (anatomy) of or related to an ampulla |
| AMP | remove surgically |
| AMP | a surgical removal of all or part of a limb |
| AMP | a condition of disability resulting from the loss of one or more limbs |