| ETA | electron transfer agent; endotracheal airways; ethionamide |
|---|---|
| FA | false aneurysm; Families Anonymous; Fanconi anemia; far advanced; fatty acid; febrile antigen; femor... |
| GRA | gated radionuclide angiography; glucocorticoid-remedial aldosteronism; gonadotropin-releasing agent |
| GTA | gene transfer agent; Glanzmann thrombasthenia; glycerol teichoic acid |
| HRLA | human reovirus-like agent |
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| cholinergic parasympathomimetic agent | <pharmacology> A chemical substance that causes the release of choline (acetylcholine) from parasympathetic nerve endings. (15 Jan 1998) |
|---|---|
| Pittsburgh pneumonia agent | A species that causes Pittsburgh pneumonia, a variant of Legionnaires' disease. Accounts for approximately 60% of Legionella pneumonias other than those caused by Legionella pneumophila. Synonym: Pittsburgh pneumonia agent. (05 Mar 2000) |
| contrast agent | A substance that is introduced into or around a structure and, because of the difference in absorption of X-rays by the contrast medium and the surrounding tissues, allows radiographic visualisation of the structure. (18 Nov 1997) |
| sclerosing agent | A compound which acts by irritation of the veinous intimal epithelium; used in the treatment of varicose veins. (05 Mar 2000) |
| high osmolar contrast agent | Ionic water-soluble iodinated contrast media. Synonym: high osmolar contrast medium. (05 Mar 2000) |
| psychotropic agent | A chemical compound that influences the human psyche. (05 Mar 2000) |
| narcotic analgesic agent | <pharmacology> Medications that relieve pain but have addictive potential if used regularly. Examples include: meperidine, morphine, propoxyphene, codeine, hydrocodone, oxycodone, hydromorphone, nalbuphine, butorphanol and heroin. (27 Sep 1997) |
| neuroleptic agent | Any of a family of drugs producing sedation and tranquilization (e.g., chlorpromazine, haloperidol). See: antipsychotic agent. Synonym: neuroleptic. (05 Mar 2000) |
| Norwalk agent | A strain of epidemic gastroenteritis virus that appears to be related to the calciviruses. Origin: Norwalk, Ohio, where first implicated in disease (05 Mar 2000) |
| surface-active agent | Agents that modify interfacial tension of water; usually substances that have one lipophilic and one hydrophilic group in the molecule; includes soaps, detergents, emulsifiers, dispersing and wetting agents, and several groups of antiseptics. (12 Dec 1998) |
| delta agent | A rare form of viral transfusion hepatitis. A defective viral agent that occurs only in association with hepatitis B infection. The delta agent may also increase the severity of hepatitis B infection. Complications include chronic persistent hepatitis and fulminant hepatitis. A test known as anti-delta agent antibody is positive and used to confirm the diagnosis. Treatment is the same as for hepatitis B. (27 Sep 1997) |
| immunosuppressive agent | <immunology, pharmacology> Any chemotherapeutic agent which also has the effect of suppressing the immune system. most often these agents will reduce the absolute number of white blood cells in the bloodstream. (27 Sep 1997) |
| inotropic agent | Drugs that increase the force of contraction of cardiac muscle; examples include digitalis glycosides, amrinone, and epinephrine. (05 Mar 2000) |
| oxidizing agent | <chemistry> A reactant that accepts electrons from another reactant. The oxidizing agent is the species getting reduced. (09 Jan 1998) |
| Eaton agent | A small atypical form of bacteria, intermediate in size between typical bacteria and viruses. Thought to play a significant role in pneumonia and bronchitis. Mycoplasmal respiratory infections are common in children and young adults. Common symptoms include malaise, fever, chills and a dry hacking cough. (27 Sep 1997) |