Limulus amebocyte lysate: test for pyrogens in injectable pharmaceuticals; uses a protein from horseshoe crab (Limulus polyphemous)

A material obtained by rupturing the cellular components of the blood of a horseshoe crab (Limulus Poliphemus). This material coagulates in the presence of LPS (lypopolysaccharides) and is a test used to quantitate bacterial endotoxins (pyrogens).

limulus amoebocyte lysate

Lightning Activity Level. A number, on a scale from 1 to 6, which reflects frequency and character of cloud-to-ground lightning. The scale from 1 to 5 deal with wet thunderstorms with 5 representing numerous thunderstorms with frequent lightning. 6 represents dry lightning.

Lightning activity level. A number on a scale of one to six that describes the relative frequency and character of cloud-to-ground lightning in an area. A rating of six is assigned when little or no rain is expected to reach the ground. "Red Flag" warnings may be issued when level six conditions exist.

Lightning Activity Level. A number, on a scale of 1 to 6, that reflects frequency and character of cloud-to-ground lightning. The scale is exponential, based on powers of 2 (i.e., LAL 3 indicates twice the lightning of LAL 2).

In the Star Trek fictional universe, Lal is the name of Lieutenant Commander Data's gynoid "daughter" whom he created. Lal's first and only live appearance was in the episode "The Offspring". The initial asexual version of Lal was portrayed (in heavy makeup) by actor Leonard Crofoot.

Abbreviation for the Los Angeles Lakers Last of Back-to-Back Road - The situation where a team is playing on the road and they played on the road the previous day. Usually designated as 'second of back-to-back road.'

See Light Adjustable Lens.