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a chemical element, atomic number 54, atomic weight 131.30, symbol Xe. (See Appendix 6.) The radioactive isotope 133Xe is used in assessment of pulmonary function, lung imaging, and cerebral blood flow studies.
xenon-133 a radioisotope of xenon having a half-life of 5.3 days and a principal gamma ray photon energy of 81 keV; used for pulmonary ventilation imaging. Symbol 133Xe.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

xe·non (Xe),

A gaseous element, atomic no. 54, atomic wt. 131.29; present in minute proportion (0.087 ppm) in the dry atmosphere; produces general anesthesia in concentrations of 70%.
[G. xenos, a stranger]
Farlex Partner Medical Dictionary © Farlex 2012


A gaseous element, atomic no. 54, atomic wt. 131.29, present in minute proportion in the atmosphere; produces general anesthesia in concentrations of 70 vol.%.
[G. xenos, a stranger]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Studies have shown that xenon may help to inhibit the NMDAR through a unique inhibition at the glycine-binding site and can help moderate the flow of damaging ions through the calcium channel.
The NSCC also said the xenon traces detected had no impact on South Korea's environment and population.
"The stock xenon light that come fitted on the vehicles are fine as they follow quality standards and regulations, but the after-market ones do not," he said.
Make no mistake, the Xenon looks decidedly rugged, with bold flares at the wheel arches, a tough-looking rear bulbar and a hefty skid plate.
The newly named "Photonics Application Centre" is fully equipped to offer a full Xenon Flash Photonics service.
A krypton atom is 0.37 nanometers wide, xenon is 0.41 and radon 0.42.
XenoLogic continuously synchronizes two 2200W xenon lamps inside the chamber at the lowest possible stress level, which leads to optimized lamp service life and maximized light efficiency.
The Xenon XT will be available in four variants - single cab and double cab models, with the option of two-wheel-drive or four-wheel-drive drivetrains.
Tata Motors Limited (NYSE: TTM), an India-based automaker, has launched its new Xenon XT in South Africa.
A180 CDi Sport From PS349 per month Metallic Paint Bi-Xenon Headlights Cruise Control AMG Styling Night Package ECO Start/Stop function Con CD Bluetooth C220 CDi BLUEEFFICIENCY AMG Sport Coupe From PS389 per month 53.3 Combined M" AMG Alloys DAB Digital Radio Parktronic with Advance Parking Guidance AMG Body Styling Bluetooth Sports Suspension Mirror Package Bi Xenon Headlights E220 CDi SE Saloon From PS399 per month Combined MPG Road Tax PS30 17" Alloys Bluetooth Climate Control DAB Digital Radio Heated Seats Parktronic with Advance Parking Guidlines Rain Sensing Wiper SLK200 BLUEEFFICIENCY AMG Sport From PS399 per month 43.5 Combined M" AMG Alloys DAB Digital Radio AMG Body Styling Bluetooth ISOFIX Start Stop Technology
Santa Monica, CA, October 29, 2012 --(PR.com)-- Xenon Pictures has answered the request of animation and cinema fans by announcing a second run release of a newly re-mastered version of the 1975 animated classic “Coonskin.” Directed by legendary animator Ralph Bakshi (Lord of the Rings, American Pop) the Coonskin DVD has become a collector's must have item of the year.