| IWGMT | International Working Group on Mycobacterial Taxonomy |
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| JPEG | Joint Photographic Experts Group |
| LAG | labiogingival; leukocyte antigen group; linguo-axiogingival; lymphangiogram; lymphocyte activation g... |
| LHEG | local healthcare executive group |
| Li | a blood group system; labrale inferius; lithium |
| laramie group | <geology> An extensive series of strata, principally developed in the Rocky Mountain region, as in the Laramie Mountains, and formerly supposed to be of the Tertiary age, but now generally regarded as Cretaceous, or of intermediate and transitional character. It contains beds of lignite, often valuable for coal, and is hence also called the lignitic group. See Chart of Geology. Source: Websters Dictionary (01 Mar 1998) |
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| foreign protein therapy | The injection of a foreign protein to induce fever as a means of treating certain diseases. Synonym: foreign protein therapy. (05 Mar 2000) |
| lateral group of axillary lymph nodes | Lymph nodes along the brachial vein that receive lymph drainage from most of the free superior limb and send efferent vessels to the central group of axillary lymph nodes. Synonym: nodi lymphatici brachiales, brachial lymph nodes. (05 Mar 2000) |
| functional group | 1. <chemistry> The specific atom that give a biomolecule a specific chemical characteristic. 2. <ecology> This ecological term refers to groups of organisms that obtain energy in similar ways. Autotrophic plants fix energy from sunlight. Fungi and bacteria decompose organic matter. Shredders chew large particles like tree leaves. Scrapers rasp periphyton and microbes from solid surfaces. Collectors filter fine particles from the water or gather them from deposits. (05 Jan 1998) |
| functional orthodontic therapy | Utilization of muscle forces to effect changes in jaw position and tooth alignment by removable appliances. Synonym: functional orthodontic therapy. (05 Mar 2000) |
| Lewis blood group | <haematology> A pair of blood group activities associated with the A, B, H substances. Lewis Lea is a separate gene, whereas Leb arises from the combined activity of the enzymes specified by Le(a) and H genes. (18 Nov 1997) |
| lewis blood-group system | A group of dominantly and independently inherited antigens associated with the abo blood factors. They are glycolipids present in plasma and secretions that may adhere to the erythrocytes. The phenotype le(b) is the result of the interaction of the le gene le(a) with the genes for the abo blood groups. (12 Dec 1998) |
| linkage group | A set of two or more loci that have been shown by linkage analysis to be physically close in the genome but that have not yet been assigned to specific chromosomes. It is rapidly becoming an outmoded term. (05 Mar 2000) |
| llandeilo group | <geology> A series of strata in the lower Silurian formations of Great Britain; so named from Llandeilo in Southern Wales. See Chart of Geology. Source: Websters Dictionary (01 Mar 1998) |
| local therapy | Treatment that affects cells in the tumour and the area close to it. (16 Dec 1997) |
| ludlow group | <geology> A subdivision of the British Upper Silurian lying below the Old Red Sandstone; so named from the Ludlow, in Western England. Source: Websters Dictionary (01 Mar 1998) |
| lutheran blood-group system | A complex blood group system having pairs of alternate antigens and amorphic genes, but also subject to a dominant independently segregating repressor. (12 Dec 1998) |