| MRT | magnetic resonance tomography; maximum relaxation time; median range score; median reaction time; me... |
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| MSA | major serologic antigen; male-specific antigen; mannitol salt agar; Medical Services Administration;... |
| MSE | medical support equipment; mental status examination; muscle-specific enolase |
| msp | muscle spasm |
| MSR | macrophage scavenger receptor; Member of the Society of Radiographers; monosynaptic reflex; muscle s... |
| incision and drainage | <procedure, surgery> A surgical procedure whereby an incision is made in the tissue to drain a fluid or pus filled cavity. This is the surgical treatment for treating an abscess. (13 Nov 1997) |
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| indicators and reagents | Substances used for the detection, identification, analysis, etc. Of chemical, biological, or pathologic processes or conditions. Indicators are substances that change in physical appearance, e.g., colour, at or approaching the endpoint of a chemical titration, e.g., on the passage between acidity and alkalinity. Reagents are substances used for the detection or determination of another substance by chemical or microscopical means, especially analysis. Types of reagents are precipitants, solvents, oxidisers, reducers, fluxes, and colourimetric reagents. (12 Dec 1998) |
| quinine and urea hydrochloride | Sclerosing agent for treatment of internal haemorrhoids, hydrocele, and varicose veins, containing not less than 58% and not more than 65% of anhydrous quinine. (05 Mar 2000) |
| information storage and retrieval | A branch of computer or library science relating to the storage, locating, searching, and selecting, upon demand, relevant data on a given subject. (12 Dec 1998) |
| injuries, poisonings, and occupational diseases | Disorders representing collectively the results of assault by external forces, rather than by organic or physiologic dysfunction or by pathogens. (12 Dec 1998) |
| insect bites and stings | Bites and stings inflicted by insects. (12 Dec 1998) |
| interior design and furnishings | The planning of the furnishings and decorations of an architectural interior. (12 Dec 1998) |
| International Classification of Impairments Disabilities and Handicaps | A WHO-sponsored numerical taxonomy of the impairments, disabilities and handicaps consequent upon injury and disease. (05 Mar 2000) |
| internship and residency | Programs of training in medicine and medical specialties offered by hospitals for graduates of medicine to meet the requirements established by accrediting authorities. (12 Dec 1998) |
| obstetrics and gynecology department, hospital | Hospital department responsible for the administration and management of services provided for obstetric and gynecologic patients. (12 Dec 1998) |
| occupational safety and health administration | One of the U.S. Agencies responsible for regulation of biotechnology. The major law under which the agency has regulatory powers is the Occupational Safety and Health act. (09 Oct 1997) |
| oesophageal and gastric varices | Submucosal varices of the lower oesophagus or gastric fundus mucosa, frequently caused by the development of portal collateral vessels consequent to portal hypertension. (12 Dec 1998) |
| oesophageal webs and rings | <radiology> Congenital web, web secondary to bullous disease, cervical web, Plummer-Vinson (Patterson-Kelly) syndrome, mucosal (Schatzki) ring (12 Dec 1998) |
| organization and administration | The planning and managing of programs, services, and resources. (12 Dec 1998) |
| outcome and process assessment | Evaluation procedures that focus on both the outcome or status (outcome assessment) of the patient at the end of an episode of care - presence of symptoms, level of activity, and mortality; and the process (process assessment) - what is done for the patient diagnostically and therapeutically. (12 Dec 1998) |