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
Lymphocytes are categorized as part of the white blood cells but they are actually part of the lymphatic system. Leukocytes are those white blood cells that are created in the bone marrow and mature there before being released into the blood. These cells are usually the first to the site of an infection.