lumen : Definition, Usages, News and More

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lumen

looh muhn

  • n  a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
  • n  a cavity or passage in a tubular organ
    the lumen of the intestine

  • When ORS reaches the small intestine, the sodium-glucose co-transport pathway moves sugar from the hollow part of the intestine (lumen) to its lining (epithelium) through the villi.
  • Fecal matter sometimes slips from the caecum into its narrow opening, or lumen, putrifies there and causes the various forms of appendicitis.
  • No fluid oozed through the needle's lumen.
News & Articles

Quotes

  • Ron Russell in Business Wire (press release)
    Real LED-based lighting application replacements for existing light sources must be direct lighting replacement solutions - lumen for lumen and LUX for LUX, plus offer the benefits of energy savings and reduced maintenance cost,stated Ron...
  • Pope Benedict XVI in Zenit News Agency
    But precisely this is her joy, which no one can take away: to be the 'sign and instrument' of he who is 'lumen gentium,' light for the peoples,Benedict XVI explained.

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