| DEV | <abbreviation> Duck embryo origin vaccine. (05 Mar 2000) |
|---|---|
| spike | An unbranched, indeterminate inflorescence in which the flowers are without stalks. (09 Oct 1997) |
| spike and wave complex | A generalised, synchronous pattern seen on the electroencephalogram, consisting of a sharply contoured fast wave followed by a slow wave; particularly found in patients with generalised epilepsies. Spike and wave complexes are often characterised by their frequency, e.g., s low spike and wave, fast spike and wave. (05 Mar 2000) |
| spike potential | The main wave in the action potential of a nerve; it is followed by negative and positive afterpotentials. (05 Mar 2000) |
| 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) |
| 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) |
| Ambu bag | Proprietary name for a self-reinflating bag with nonrebreathing valves to provide positive pressure ventilation during resuscitation with oxygen or air. (05 Mar 2000) |
| bag | 1. To swell or hang down like a full bag; as, the skin bags from containing morbid matter. 2. To swell with arrogance. 3. To become pregnant. 1. A sack or pouch, used for holding anything; as, a bag of meal or of money. 2. A sac, or dependent gland, in animal bodies, containing some fluid or other substance; as, the bag of poison in the mouth of some serpents; the bag of a cow. 3. A sort of silken purse formerly tied about men's hair behind, by way of ornament. 4. The quantity of game bagged. 5. A certain quantity of a commodity, such as it is customary to carry to market in a sack; as, a bag of pepper or hops; a bag of coffee. Bag and baggage, all that belongs to one. To give one the bag, to disappoint him. Origin: OE. Bagge; cf. Icel. Baggi, and also OF. Bague, bundle, LL. Baga. Source: Websters Dictionary (01 Mar 1998) |
| bag cell neurons | <cell biology> Cluster of electrically coupled neurons in the abdominal ganglion of Aplysia that are homogeneous, easily dissected out and release peptides that stimulate egg laying. (18 Nov 1997) |
| bag-gel implant | An implant composed of a silicone rubber bag containing a silicone gel; used in augmentation mammaplasty. (05 Mar 2000) |
| bag net | A bag-shaped net for catching fish. Source: Websters Dictionary (01 Mar 1998) |
| bag of waters | The amniotic sac and amniotic fluid. (12 Dec 1998) |
| breathing bag | A collapsible reservoir from which gases are inhaled and into which gases may be exhaled during general anaesthesia or artificial ventilation. Synonym: reservoir bag. (05 Mar 2000) |