| DRAM | dynamic random access memory |
|---|---|
| RAM | random-access memory; rapid alternating movements; rectus abdominis muscle; rectus abdominis myocuta... |
| SRAM | static random access memory |
| DASD | Direct Access Storage Device = RAM |
| ACCESS | Ambulatory Care Clinic Effectiveness Systems Study; automated cervical cell screening system |
| ACCESS | Access to Community Care and Effective Services and Support |
|---|---|
| RAM | random access memory |
| CVAD | Central venous access devices |
| MAS | Minimal Access Surgery |
| VA | Vascular access |
| access | 1. A coming to, or near approach; admittance; admission; accessibility; as, to gain access to a prince. "I did repel his letters, and denied His access to me." (Shak) 2. The means, place, or way by which a thing may be approached; passage way; as, the access is by a neck of land. "All access was thronged." 3. Admission to sexual intercourse. "During coverture, access of the husband shall be presumed, unless the contrary be shown." (Blackstone) 4. Increase by something added; addition; as, an access of territory. [In this sense accession is more generally used] "I, from the influence of thy looks, receive Access in every virtue." (Milton) 5. An onset, attack, or fit of disease. "The first access looked like an apoplexy." (Burnet) 6. A paroxysm; a fit of passion; an outburst; as, an access of fury. Origin: F. Acces, L. Accessus, fr. Accedere. See Accede. Source: Websters Dictionary (01 Mar 1998) |
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| access opening | 1. A coming to, or near approach; admittance; admission; accessibility; as, to gain access to a prince. "I did repel his letters, and denied His access to me." (Shak) 2. The means, place, or way by which a thing may be approached; passage way; as, the access is by a neck of land. "All access was thronged." 3. Admission to sexual intercourse. "During coverture, access of the husband shall be presumed, unless the contrary be shown." (Blackstone) 4. Increase by something added; addition; as, an access of territory. [In this sense accession is more generally used] "I, from the influence of thy looks, receive Access in every virtue." (Milton) 5. An onset, attack, or fit of disease. "The first access looked like an apoplexy." (Burnet) 6. A paroxysm; a fit of passion; an outburst; as, an access of fury. Origin: F. Acces, L. Accessus, fr. Accedere. See Accede. Source: Websters Dictionary (01 Mar 1998) |
| health care quality, access, and evaluation | The concept concerned with all aspects of the quality, accessibility, and appraisal of health care and health care delivery. (12 Dec 1998) |
| expanded access | Refers to any of the FDA procedures (compassionate use, parallel track and treatment IND see) that distributes experimental drugs to patients who are failing on currently available treatments for their condition and also are unable to participate in ongoing clinical trials. (09 Oct 1997) |
| random | 1. Force; violence. "For courageously the two kings newly fought with great random and force." (E. Hall) 2. A roving motion; course without definite direction; want of direction, rule, or method; hazard; chance; commonly used in the phrase at random, that is, without a settled point of direction; at hazard. "Counsels, when they fly At random, sometimes hit most happily." (Herrick) "O, many a shaft, at random sent, Finds mark the archer little meant !" (Sir W. Scott) 3. Distance to which a missile is cast; range; reach; as, the random of a rifle ball. 4. <chemical> The direction of a rake-vein. Origin: OE. Randon, OF. Randon force, violence, rapidity, a randon, de randon, violently, suddenly, rapidly, prob. Of German origin; cf. G. Rand edge, border, OHG. Rant shield, edge of a shield, akin to E. Rand, n. See Rand. Going at random or by chance; done or made at hazard, or without settled direction, aim, or purpose; hazarded without previous calculation; left to chance; haphazard; as, a random guess. "Some random truths he can impart." (Wordsworth) "So sharp a spur to the lazy, and so strong a bridle to the random." (H. <medicine> Spencer) Random courses, stonework consisting of stones of unequal sizes fitted together, but not in courses nor always with flat beds. Source: Websters Dictionary (01 Mar 1998) |
| random allocation | A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. (12 Dec 1998) |
| random amplification of polymorphic DNA | <molecular biology> A term originally invented by polymer chemists to describe a disordered tangle of a linear polymer chain with curved sections. In DNA parlance the random coil refers to the structure that results from melting or other forms of separation of the double helix, i.e. Helix coil transition. (18 Nov 1997) |
| random amplified polymorphic DNA technique | Technique that utilises low-stringency polymerase chain reaction (pcr) amplification with single primers of arbitrary sequence to generate strain-specific arrays of anonymous DNA fragments. Rapd technique may be used to determine taxonomic identity, assess kinship relationships, analyze mixed genome samples, and create specific probes. (12 Dec 1998) |
| random coil | A structure of a macromolecule (typically, a biopolymer) which changes with time. (05 Mar 2000) |
| random mating | Totally haphazard mating with no regard to the genetic makeup (genotype) of the mate so that any sperm has an equal chance of fertilizing any egg. This rarely, if ever, occurs but the concept is impoortant in population genetics. Also called panmixus. (12 Dec 1998) |
| 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) |
| random mechanism | A scheme for substrate binding and product release for a multisubstrate enzyme; for a two-substrate two-product enzyme with this mechanism, either substrate can bind first and, after the reaction has taken place, either product can be the first to dissociate from the enzyme. Brain hexokinase has a random mechanism. More complex random mechanisms exist for enzymes having more than two substrates. (05 Mar 2000) |
| random pattern flap | A flap in which the pedicle blood supply is derived randomly from the network of vessels in the area, rather than from a single longitudinal artery as in an axial pattern flap. (05 Mar 2000) |
| random sample | A group selected randomly, solely by chance. (12 Dec 1998) |
| random sampling | A selection of elements by a formal randomizing device for purposes of inference about a population of inference from that population in such a way that the probability of each possible outcome may be precisely specified in advance; the inferences are necessarily stochastic. (05 Mar 2000) |
| random access | the most common computer memory which can be used by programs to perform necessary tasks while the computer is on |
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