| CAD | cadaver, cadaveric; cold agglutinin disease; compressed air disease; computer-assisted design; compu... |
|---|---|
| DAC | derived air concentration; digital-to-analog converter; disaster assistance center; Division of Ambu... |
| DAS | dead air space; Death Anxiety Scale; delayed anovulatory syndrome; dextroamphetamine sulfate; digita... |
| DS | dead air space; dead space; deep sedative; deep sleep; defined substrate; dehydroepiandrosterone sul... |
| ETAR | equivalent tissue air ratio |
| tympanic air cells | Numerous groovelike depressions in the walls of the tympanic cavity, communicating with the tubal air cells. Synonym: cellulae tympanicae, tympanic cells. (05 Mar 2000) |
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| laminar air flow unit | An air-filtering system used at some transplant facilities to remove particulate matter and fungi from the air. (16 Dec 1997) |
| functional residual air | The volume of air remaining in the lungs at the end of a normal, quiet expiration. It is the sum of the residual volume and the expiratory reserve volume. Common abbreviation is frc. (12 Dec 1998) |
| liquid air | Air that, by means of intense cold and pressure, has been liquefied. (05 Mar 2000) |