| fertility agents, female | Compounds which increase the capacity to conceive in females. (12 Dec 1998) |
|---|---|
| fertility agents, male | Compounds which increase the capacity of the male to induce conception. (12 Dec 1998) |
| flavoring agents | Pharmaceutical or other preparations for improving the taste of a food or medicine. (12 Dec 1998) |
| foamy agents | Retroviruses of the subfamily Spumavirinae, found in primates and other mammals; so named because of lacelike changes produced in monkey kidney cells; syncytia are also produced. Synonym: foamy agents. (05 Mar 2000) |
| food colouring agents | Natural or synthetic dyes used as colouring agents in processed foods. (12 Dec 1998) |
| leprostatic agents | Substances that suppress mycobacterium leprae, ameliorate the clinical manifestations of leprosy, and/or reduce the incidence and severity of leprous reactions. (12 Dec 1998) |
| lipids and antilipaemic agents | A collective grouping for lipids and substances that maintain normal blood lipid levels. (12 Dec 1998) |
| lipotropic agents | Endogenous factors or drugs that act on fat metabolism by hastening the removal of or decreasing the deposit of fat in the liver. (12 Dec 1998) |
| lung perfusion agents | <radiology> Tc-99m MAA (macro-aggregated albumin), Tc-99m HAM (human albumin microspheres), dose 4 mCi, particles, size 10 - 90 m, number 200,000 - 400,000, effect 1 : 1000 arterioles embolised (12 Dec 1998) |
| lung ventilation agents | <radiology> Xe-133, most commonly used, Xe-127, t = 36.4 days; photons @ 172, 203, 375 keV, can image V after Q, Kr-81m, very expensive, t = 13 sec; photon 190 keV, can repeat V in each projection, Tc-99m DTPA aerosol, can image V in mult. Projections, image Q after V, 1 mCi most likely to be 50-75 mrad to lung, V/Q imaging (12 Dec 1998) |
| luteolytic agents | Chemical compounds causing corpus luteum regression or degeneration. (12 Dec 1998) |
| acute reflex bone atrophy | Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. See: causalgia, reflex sympathetic dystrophy. Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. Origin: L. English sweat (05 Mar 2000) |
| air-bone gap | The difference between the threshold for hearing acuity by bone conduction and by air conduction. (05 Mar 2000) |
| Albrecht's bone | A small bone between the basioccipital and basisphenoid. (05 Mar 2000) |
| allogeneic bone marrow transplant | <haematology, procedure> A bone marrow transplant using marrow collected from a matched healthy donor, usually a brother or sister. The risks associated with the transplant increase with age and 50 years of age is generally regarded as the upper limit. (13 Nov 1997) |