| DAS | dead air space; Death Anxiety Scale; delayed anovulatory syndrome; dextroamphetamine sulfate; digita... |
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| VD | vapor density; vascular disease; vasodilation, vasodilator; venereal disease; venous dilatation; ven... |
| VD | dead space |
| Vd | voided, voiding; volume dead space; volume of distribution |
| Vd/Vt | dead space ventilation/total ventilation [ratio] |
| DEAD box helicase | <enzyme> Family of ATP dependent DNA or RNA helicases with a 4 amino acid consensus, D E A D, that resembles an ATP binding site. Examples, p68, a human nuclear protein involved in cell growth, vasa, a Drosophila protein required for specification of posterior embryonic structures. (18 Nov 1997) |
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| dead-end host | A host from which infectious agents are not transmitted to other susceptible host's. (05 Mar 2000) |
| dead-eye | A round, flattish, wooden block, encircled by a rope, or an iron band, and pierced with three holes to receive the lanyard; used to extend the shrouds and stays, and for other purposes. Synonym: deadman's eye. Source: Websters Dictionary (01 Mar 1998) |
| dead fingers | Impaired digital circulation, possibly a mild form of Raynaud's disease, marked by a purplish or waxy white colour of the fingers, with subnormal local temperature and paresthesia. Synonym: dead fingers, waxy fingers. Origin: acro-+ G. Asphyxia, stoppage of the pulse (05 Mar 2000) |
| dead foetus syndrome | <obstetrics, syndrome> A syndrome characterised by lengthy intrauterine retention of a dead foetus usually greater than 4 weeks with development of hypofibrinogenaemia and occasionally disseminated intravascular coagulopathy. (05 Mar 2000) |
| dead nerve | <anatomy, nerve> Misnomer for nonvital dental pulp. (05 Mar 2000) |
| dead pulp | Necrosis of the dental pulp which clinically does not respond to thermal stimulation; the tooth may be asymptomatic or sensitive to percussion and palpation. Synonym: dead pulp, nonvital pulp. (05 Mar 2000) |
| dead-stroke | <mechanics> Making a stroke without recoil; deadbeat. <machinery> Dead-stroke hammer, a power hammer having a spring interposed between the driving mechanism and the hammer head, or helve, to lessen the recoil of the hammer and reduce the shock upon the mechanism. Source: Websters Dictionary (01 Mar 1998) |
| dead tooth | A misnomer for pulpless tooth. (05 Mar 2000) |
| dead tracts | Dentin areas characterised by degenerated odontoblastic processes; may result from injury caused by caries, attrition, erosion, or cavity preparation. (05 Mar 2000) |
| antecubital space | The fossa in front of the elbow, bounded laterally and medially by the humeral origins of the extensors and flexors of the forearm, respectively, and superiorly by an imaginary line connecting the humeral condyles. Synonym: fossa cubitalis, antecubital space, chelidon, triangle of elbow. (05 Mar 2000) |
| anterior clear space | On lateral chest radiographs, the region dorsal to the sternum and ventral to the ascending aorta. Synonym: anterior clear space. (05 Mar 2000) |
| apical space | The space between the alveolar wall and the apex of the root of a tooth where an alveolar abscess usually has its origin. (05 Mar 2000) |
| axillary space | <anatomy> The underarm area. (16 Dec 1997) |
| Berger's space | The space between the patellar fossa of the vitreous and the lens. (05 Mar 2000) |