1 For an average 10 x 12 (120 square foot) room, that works out to a materials cost of $240 to $480. 2  8mm Pergo is closer to $2 per square foot; 12mm is on the higher end of the price spectrum. 3  Underlayment prices vary widely. 4  Some cost as little as $.10 per square foot while others run as high as $1 per square foot.
Definition. noun, plural: leukocytes. Any of the blood cells that lack hemoglobin, colourless and with nucleus. Its major function involves the body's immune system, protecting the body against invading microorganisms and foreign particles. Supplement
Leukocyte Esterase. Leukocyte esterase is an enzyme present in most white blood cells (WBCs). A few white blood cells are normally present in urine and usually give a negative chemical test result. When the number of WBCs in urine increases significantly, this screening test will become positive.