| MCN | maternal child nursing; minimal change nephropathy; mixed cell nodular [lymphoma] |
|---|---|
| MD | Doctor of Medicine [Lat. Medicinae Doctor]; magnesium deficiency; main duct; maintenance dose; major... |
| MDS | Master of Dental Surgery; maternal deprivation syndrome; medical data screening; medical data system... |
| MGF | macrophage growth factor; maternal grandfather |
| MGM | maternal grandmother; meningioma |
| foetal death | <radiology> No foetal movement, no foetal heart movement, scalp oedema, Spalding's sign, hyperextended spine, thrombus within heart (12 Dec 1998) |
|---|---|
| foetal death rate | The number of foetal deaths divided by the sum of live births and foetal deaths occurring in the same population during the same time period. Synonym: stillbirth rate. (05 Mar 2000) |
| local death | Death of a part of the body or of a tissue by necrosis. (05 Mar 2000) |
| non-direct transmission | <epidemiology> A mode of transmission that differs in some mysterious way from indirect transmission. (05 Dec 1998) |
| direct | 1. Straight, in a straight line. 2. Performed immediately and without the intervention of subsidiary means. Origin: L. Directus (18 Nov 1997) |
| direct acrylic restoration | A direct resin restoration of autopolymerizing acrylic. (05 Mar 2000) |
| direct agglutination | A general term for techniques which use the agglutination (macroscopic clumping) of particulate reagents as an indicator of the presence of an antigen-antibody reaction. Examples (haemagglutination, latex agglutination and coagglutination) follow. (05 Mar 2000) |
| direct B-cell | Lymphocytes responding to a small range of antigens by antibody production without any requirement for T-cells. The antigens include flagellin and pokeweed mitogen. (18 Nov 1997) |
| direct bilirubin | Conjugated bilirubin = Direct bilirubin. Bilirubin that has been chemically attached to a glucuronide in the liver. The bilirubin that is excreted into the bile by the liver and stored in the gallbladder or transferred to the duodenum. Normal direct bilirubin is 0 to 0.3 mg/dl. Greater than normal values can be seen in bile duct obstruction, cirrhosis, Crigler-Najjar syndrome, Dubin-Johnson syndrome and hepatitis. (27 Sep 1997) |
| direct bone impression | An impression of denuded bone, used in the construction of subperiosteal denture implants. (05 Mar 2000) |
| direct composite resin restoration | A direct restoration made by inserting a plastic mix of auto or light-polymerised resins in a cavity prepared in a tooth. Synonym: direct composite resin restoration. (05 Mar 2000) |
| direct contamination | <dentistry> Direct contact with impurities or germs. (for example by a patient sneezing on the assistant.) (08 Jan 1998) |
| direct Coombs' test | A test for detecting sensitised erythrocytes in erythroblastosis foetalis and in cases of acquired immune haemolytic anaemia: the patient's erythrocytes are washed with saline to remove serum and unattached antibody protein, then incubated with Coombs' anti-human globulin (usually serum from a rabbit or goat previously immunised with human globulin); after incubation, the system is centrifuged and examined for agglutination, which indicates the presence of so-called incomplete or univalent antibodies on the surface of the erythrocytes. (05 Mar 2000) |
| direct current | (DC) Electric current which travels continuously in the same direction over a sustained period of time, contrast with AC (Alternating Current) which oscillates as a function of time. (09 Oct 1997) |
| direct diuretic | A diuretic whose primary effect is on renal tubular function. (05 Mar 2000) |