| DAS | dead air space; Death Anxiety Scale; delayed anovulatory syndrome; dextroamphetamine sulfate; digita... |
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| DD | dangerous drug; data definition; day of delivery; degenerated disc; degenerative disease; delusional... |
| DFU | dead fetus in utero; dideoxyfluorouridine |
| DID | dead of intercurrent disease; double immunodiffusion |
| DOA | date of admission; dead on arrival; Department of Agriculture; depth of anesthesia; differential opt... |
| 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) |
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| 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 space | A cavity, potential or real, remaining after the closure of a wound which is not obliterated by the operative technique. See: anatomical dead space, physiologic dead space. (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) |