| ILS | idiopathic leucine sensitivity; idiopathic lymphadenopathy syndrome; increase in life span; infrared... |
|---|---|
| IRED | infrared light-emitting diode |
| IR-LED | infrared light emitting diode |
| ITIL | inter-alpha-trypsin inhibitor, light chain |
| kappa | a light chain of human immunoglobulins [chain] |
| light metal | A metal with a specific gravity of less than 4. (05 Mar 2000) |
|---|---|
| light microscope | <instrument> The most common type of microscope (a device used to magnify small objects or substances) used in laboratories. The device works by passing visible light through a condenser and an objective lens. (09 Oct 1997) |
| light microscopy | <procedure> In contrast to electron microscopy. See: bright field, phase contrast, interference, interference contrast, interference reflection, dark field, confocal and fluorescence microscopy. (18 Nov 1997) |
| light-near dissociation | A stronger near pupil response than light response; due to weak pupillomotor input, Argyll Robertson pupil, dorsal midbrain syndrome, or to misdirection of ciliary muscle fibres into the iris sphincter. Synonym: light-near dissociation. (05 Mar 2000) |
| light-o'-love | 1. An old tune of a dance, the name of which made it a proverbial expression of levity, especially in love matters. "Best sing it to the tune of light-o'-love." 2. Hence: A light or wanton woman. Source: Websters Dictionary (01 Mar 1998) |
| light reflex | A red glow reflected from the fundus of the eye when a light is cast upon the retina, as in retinoscopy. Synonym: eye reflex, fundus reflex, pupillary reflex. Synonym: pyramid of light. (05 Mar 2000) |
| light-repressible receptor protein kinase | <enzyme> Photo-regulated protein isolated from arabidopsis thaliana; genbank x97774 Registry number: EC 2.7.1.- Synonym: lrrpk gene product (26 Jun 1999) |
| light scattering | Particles suspended in a solution will cause scattering of light and the extent of the scattering is related to the size and shape of the particles (in a somewhat complex relationship). (18 Nov 1997) |
| light sense | The ability to perceive variations in the degree of light or brightness. (05 Mar 2000) |
| light sleep | A condition of half sleep. Synonym: light sleep. Origin: dys-+ G. Nystaxis, drowsiness (05 Mar 2000) |
| light treatment | Treatment with light. For example, a newborn with jaundice may be put under the lights. (12 Dec 1998) |
| light water | <radiobiology> Ordinary H2O, as opposed to heavy water, which contains atoms of the heavier isotopes of hydrogen, deuterium and/or tritium. See: hydrogen, isotope, deuterium, tritium, heavy water. (09 Oct 1997) |
| light-water reactor | <radiobiology> Class of fission reactors using ordinary light water as a coolant, rather than liquid metal or heavy water (water with deuterium instead of hydrogen). (09 Oct 1997) |
| light wire appliance | An orthodontic appliance utilizing small gauge labial wires with expansion and contraction loops formed into it and attached to bands fitted to individual teeth; sometimes called Begg light wire differential force technique. (05 Mar 2000) |