Helper T cells are the mediators of the immune system, they carry information and decide when to give the green light to other immune cells to carry out an immune response. Helper T cells can only bind to swallowing cells like the macrophage and the B cell.
Bengaline is a woven fabric with wide, raised crosswise cords or ribs that create a sturdy texture. It may be made of natural textiles, such as cotton, wool or silk, or from synthetic fibers, such as rayon or nylon; it also often is made of a combination of two different materials. The many possibilities can result in a light or a heavy fabric, but the ribbing almost always gives bengaline a sturdy feeling.
In high dilution, indole has a pleasant smell and has been used in the perfumery industry. See also SKATOLE. a compound obtained from coal tar and indigo and produced by decomposition of tryptophan in the intestine, where it contributes to the peculiar odor of feces. It is excreted in the urine in the form of indican.